396509022 has 48 divisors (see below), whose sum is σ = 1057361760. Its totient is φ = 104573376.

The previous prime is 396509017. The next prime is 396509023. The reversal of 396509022 is 220905693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396509023) 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, 119397 + ... + 122672.

It is an arithmetic number, because the mean of its divisors is an integer number (22028370).

Almost surely, 2^396509022 is an apocalyptic number.

396509022 is an abundant number, since it is smaller than the sum of its proper divisors (660852738).

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

396509022 is a wasteful number, since it uses less digits than its factorization.

396509022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242097 (or 242094 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 396509022 is about 19912.5342937558. The cubic root of 396509022 is about 734.6565548001.

The spelling of 396509022 in words is "three hundred ninety-six million, five hundred nine thousand, twenty-two".