385023500 has 24 divisors (see below), whose sum is σ = 840892416. Its totient is φ = 154009200.

The previous prime is 385023479. The next prime is 385023539. The reversal of 385023500 is 5320583.

It is a super-5 number, since 5×385023500⁵ (a number of 44 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385023500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384524 + ... + 385523.

It is an arithmetic number, because the mean of its divisors is an integer number (35037184).

Almost surely, 2^385023500 is an apocalyptic number.

It is an amenable number.

385023500 is an abundant number, since it is smaller than the sum of its proper divisors (455868916).

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

385023500 is a wasteful number, since it uses less digits than its factorization.

385023500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770066 (or 770054 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 385023500 is about 19622.0156966607. The cubic root of 385023500 is about 727.4934360913.

The spelling of 385023500 in words is "three hundred eighty-five million, twenty-three thousand, five hundred".