378900740 has 12 divisors (see below), whose sum is σ = 795691596. Its totient is φ = 151560288.

The previous prime is 378900737. The next prime is 378900749. The reversal of 378900740 is 47009873.

It can be written as a sum of positive squares in 2 ways, for example, as 104203264 + 274697476 = 10208^2 + 16574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 378900694 and 378900703.

It is not an unprimeable number, because it can be changed into a prime (378900749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9472499 + ... + 9472538.

It is an arithmetic number, because the mean of its divisors is an integer number (66307633).

Almost surely, 2^378900740 is an apocalyptic number.

It is an amenable number.

378900740 is an abundant number, since it is smaller than the sum of its proper divisors (416790856).

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

378900740 is a wasteful number, since it uses less digits than its factorization.

378900740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18945046 (or 18945044 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 378900740 is about 19465.3728451319. The cubic root of 378900740 is about 723.6165388980.

The spelling of 378900740 in words is "three hundred seventy-eight million, nine hundred thousand, seven hundred forty".