392039490 has 16 divisors (see below), whose sum is σ = 940894848. Its totient is φ = 104543856.

The previous prime is 392039489. The next prime is 392039491. The reversal of 392039490 is 94930293.

It is an interprime number because it is at equal distance from previous prime (392039489) and next prime (392039491).

It is not an unprimeable number, because it can be changed into a prime (392039491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6533962 + ... + 6534021.

It is an arithmetic number, because the mean of its divisors is an integer number (58805928).

Almost surely, 2^392039490 is an apocalyptic number.

392039490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

392039490 is an abundant number, since it is smaller than the sum of its proper divisors (548855358).

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

392039490 is a wasteful number, since it uses less digits than its factorization.

392039490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13067993.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 392039490 is about 19799.9871212079. The cubic root of 392039490 is about 731.8857170267.

The spelling of 392039490 in words is "three hundred ninety-two million, thirty-nine thousand, four hundred ninety".