383634090 has 64 divisors (see below), whose sum is σ = 1169176320. Its totient is φ = 87687360.

The previous prime is 383634077. The next prime is 383634091. The reversal of 383634090 is 90436383.

It is not an unprimeable number, because it can be changed into a prime (383634091) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 99601 + ... + 103380.

It is an arithmetic number, because the mean of its divisors is an integer number (18268380).

Almost surely, 2^383634090 is an apocalyptic number.

383634090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

383634090 is an abundant number, since it is smaller than the sum of its proper divisors (785542230).

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

383634090 is a wasteful number, since it uses less digits than its factorization.

383634090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203004 (or 202998 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 383634090 is about 19586.5793338194. The cubic root of 383634090 is about 726.6172948061.

The spelling of 383634090 in words is "three hundred eighty-three million, six hundred thirty-four thousand, ninety".