378495937 has 2 divisors, whose sum is σ = 378495938. Its totient is φ = 378495936.

The previous prime is 378495919. The next prime is 378495983. The reversal of 378495937 is 739594873.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213861376 + 164634561 = 14624^2 + 12831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378495937 is a prime.

It is not a weakly prime, because it can be changed into another prime (378495917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189247968 + 189247969.

It is an arithmetic number, because the mean of its divisors is an integer number (189247969).

Almost surely, 2^378495937 is an apocalyptic number.

It is an amenable number.

378495937 is a deficient number, since it is larger than the sum of its proper divisors (1).

378495937 is an equidigital number, since it uses as much as digits as its factorization.

378495937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 55.

The square root of 378495937 is about 19454.9720380164. The cubic root of 378495937 is about 723.3587523659.

The spelling of 378495937 in words is "three hundred seventy-eight million, four hundred ninety-five thousand, nine hundred thirty-seven".