385437900 has 36 divisors (see below), whose sum is σ = 1115201192. Its totient is φ = 102783360.

The previous prime is 385437893. The next prime is 385437947. The reversal of 385437900 is 9734583.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642097 + ... + 642696.

Almost surely, 2^385437900 is an apocalyptic number.

385437900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385437900 is an abundant number, since it is smaller than the sum of its proper divisors (729763292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385437900 is a wasteful number, since it uses less digits than its factorization.

385437900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284810 (or 1284803 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 385437900 is about 19632.5724244175. The cubic root of 385437900 is about 727.7543424050.

The spelling of 385437900 in words is "three hundred eighty-five million, four hundred thirty-seven thousand, nine hundred".