935388990 has 48 divisors (see below), whose sum is σ = 2435732208. Its totient is φ = 249055488.

The previous prime is 935388989. The next prime is 935388991. The reversal of 935388990 is 99883539.

It is an interprime number because it is at equal distance from previous prime (935388989) and next prime (935388991).

It is a super-2 number, since 2×935388990² = 1749905125226440200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (935388991) 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, 53862 + ... + 69078.

It is an arithmetic number, because the mean of its divisors is an integer number (50744421).

Almost surely, 2^935388990 is an apocalyptic number.

935388990 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

935388990 is an abundant number, since it is smaller than the sum of its proper divisors (1500343218).

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

935388990 is a wasteful number, since it uses less digits than its factorization.

935388990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15913 (or 15910 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 935388990 is about 30584.1297080692. The cubic root of 935388990 is about 977.9817515759.

The spelling of 935388990 in words is "nine hundred thirty-five million, three hundred eighty-eight thousand, nine hundred ninety".