378693400 has 24 divisors (see below), whose sum is σ = 880462620. Its totient is φ = 151477280.

The previous prime is 378693383. The next prime is 378693401. The reversal of 378693400 is 4396873.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378693401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 946534 + ... + 946933.

Almost surely, 2^378693400 is an apocalyptic number.

It is an amenable number.

378693400 is an abundant number, since it is smaller than the sum of its proper divisors (501769220).

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

378693400 is a wasteful number, since it uses less digits than its factorization.

378693400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893483 (or 1893474 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 378693400 is about 19460.0462486604. The cubic root of 378693400 is about 723.4845236473.

The spelling of 378693400 in words is "three hundred seventy-eight million, six hundred ninety-three thousand, four hundred".