369431985 has 64 divisors (see below), whose sum is σ = 656667648. Its totient is φ = 176216064.

The previous prime is 369431971. The next prime is 369431989. The reversal of 369431985 is 589134963.

It is not a de Polignac number, because 369431985 - 2⁷ = 369431857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (369431989) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1585429 + ... + 1585661.

It is an arithmetic number, because the mean of its divisors is an integer number (10260432).

Almost surely, 2^369431985 is an apocalyptic number.

It is an amenable number.

369431985 is a deficient number, since it is larger than the sum of its proper divisors (287235663).

369431985 is a wasteful number, since it uses less digits than its factorization.

369431985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

The product of its digits is 699840, while the sum is 48.

The square root of 369431985 is about 19220.6135437972. The cubic root of 369431985 is about 717.5378767332.

The spelling of 369431985 in words is "three hundred sixty-nine million, four hundred thirty-one thousand, nine hundred eighty-five".