390943088 has 40 divisors (see below), whose sum is σ = 799115520. Its totient is φ = 184766400.

The previous prime is 390943081. The next prime is 390943093. The reversal of 390943088 is 880349093.

It is a super-3 number, since 3×390943088³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390943081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165113 + ... + 167463.

It is an arithmetic number, because the mean of its divisors is an integer number (19977888).

Almost surely, 2^390943088 is an apocalyptic number.

390943088 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390943088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399557760).

390943088 is an abundant number, since it is smaller than the sum of its proper divisors (408172432).

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

390943088 is a wasteful number, since it uses less digits than its factorization.

390943088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925 (or 2919 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 390943088 is about 19772.2807991390. The cubic root of 390943088 is about 731.2028009763.

The spelling of 390943088 in words is "three hundred ninety million, nine hundred forty-three thousand, eighty-eight".