378032985 has 48 divisors (see below), whose sum is σ = 730080000. Its totient is φ = 179377920.

The previous prime is 378032981. The next prime is 378033017. The reversal of 378032985 is 589230873.

It is not a de Polignac number, because 378032985 - 2² = 378032981 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 378032985.

It is not an unprimeable number, because it can be changed into a prime (378032981) 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 47 ways as a sum of consecutive naturals, for example, 15141 + ... + 31389.

It is an arithmetic number, because the mean of its divisors is an integer number (15210000).

Almost surely, 2^378032985 is an apocalyptic number.

It is an amenable number.

378032985 is a deficient number, since it is larger than the sum of its proper divisors (352047015).

378032985 is a wasteful number, since it uses less digits than its factorization.

378032985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16318 (or 16315 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 378032985 is about 19443.0703593851. The cubic root of 378032985 is about 723.0637100013.

The spelling of 378032985 in words is "three hundred seventy-eight million, thirty-two thousand, nine hundred eighty-five".