385657850 has 12 divisors (see below), whose sum is σ = 717323694. Its totient is φ = 154263120.

The previous prime is 385657847. The next prime is 385657861. The reversal of 385657850 is 58756583.

It can be written as a sum of positive squares in 3 ways, for example, as 367450561 + 18207289 = 19169^2 + 4267^2 .

It is a junction number, because it is equal to n+sod(n) for n = 385657795 and 385657804.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3856529 + ... + 3856628.

Almost surely, 2^385657850 is an apocalyptic number.

385657850 is a deficient number, since it is larger than the sum of its proper divisors (331665844).

385657850 is a wasteful number, since it uses less digits than its factorization.

385657850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713169 (or 7713164 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 47.

The square root of 385657850 is about 19638.1732857208. The cubic root of 385657850 is about 727.8927470001.

The spelling of 385657850 in words is "three hundred eighty-five million, six hundred fifty-seven thousand, eight hundred fifty".