385436888 has 32 divisors (see below), whose sum is σ = 785280000. Its totient is φ = 176683680.

The previous prime is 385436837. The next prime is 385436893. The reversal of 385436888 is 888634583.

It is a super-2 number, since 2×385436888² = 297123189262249088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36188 + ... + 45611.

It is an arithmetic number, because the mean of its divisors is an integer number (24540000).

Almost surely, 2^385436888 is an apocalyptic number.

385436888 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

385436888 is an abundant number, since it is smaller than the sum of its proper divisors (399843112).

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

385436888 is a wasteful number, since it uses less digits than its factorization.

385436888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81855 (or 81851 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 53.

The square root of 385436888 is about 19632.5466509060. The cubic root of 385436888 is about 727.7537054775.

The spelling of 385436888 in words is "three hundred eighty-five million, four hundred thirty-six thousand, eight hundred eighty-eight".