385499037 has 32 divisors (see below), whose sum is σ = 674565120. Its totient is φ = 189717120.

The previous prime is 385499033. The next prime is 385499069. The reversal of 385499037 is 730994583.

It is not a de Polignac number, because 385499037 - 2² = 385499033 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385499033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39528 + ... + 48305.

It is an arithmetic number, because the mean of its divisors is an integer number (21080160).

Almost surely, 2^385499037 is an apocalyptic number.

It is an amenable number.

385499037 is a deficient number, since it is larger than the sum of its proper divisors (289066083).

385499037 is a wasteful number, since it uses less digits than its factorization.

385499037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87873.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 385499037 is about 19634.1293924635. The cubic root of 385499037 is about 727.7928184388.

It can be divided in two parts, 38549 and 9037, that added together give a triangular number (47586 = T₃₀₈).

The spelling of 385499037 in words is "three hundred eighty-five million, four hundred ninety-nine thousand, thirty-seven".