385294500 has 72 divisors (see below), whose sum is σ = 1215489912. Its totient is φ = 102744000.

The previous prime is 385294499. The next prime is 385294501. The reversal of 385294500 is 5492583.

It is an interprime number because it is at equal distance from previous prime (385294499) and next prime (385294501).

It can be written as a sum of positive squares in 4 ways, for example, as 820836 + 384473664 = 906^2 + 19608^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (385294501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38311 + ... + 47310.

Almost surely, 2^385294500 is an apocalyptic number.

385294500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385294500 is an abundant number, since it is smaller than the sum of its proper divisors (830195412).

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

385294500 is a wasteful number, since it uses less digits than its factorization.

385294500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85646 (or 85631 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 385294500 is about 19628.9199906668. The cubic root of 385294500 is about 727.6640789086.

The spelling of 385294500 in words is "three hundred eighty-five million, two hundred ninety-four thousand, five hundred".