378927900 has 216 divisors, whose sum is σ = 1293823440. Its totient is φ = 92206080.

The previous prime is 378927883. The next prime is 378927917. The reversal of 378927900 is 9729873.

378927900 is a `hidden beast` number, since 378 + 9 + 279 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (378927883) and next prime (378927917).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1626184 + ... + 1626416.

Almost surely, 2^378927900 is an apocalyptic number.

378927900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378927900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646911720).

378927900 is an abundant number, since it is smaller than the sum of its proper divisors (914895540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378927900 is a wasteful number, since it uses less digits than its factorization.

378927900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 378927900 is about 19466.0704817382. The cubic root of 378927900 is about 723.6338283475.

The spelling of 378927900 in words is "three hundred seventy-eight million, nine hundred twenty-seven thousand, nine hundred".