396599652 has 60 divisors (see below), whose sum is σ = 1054413360. Its totient is φ = 129952944.

The previous prime is 396599641. The next prime is 396599653. The reversal of 396599652 is 256995693.

It is a super-2 number, since 2×396599652² = 314582567933042208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (396599653) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8743 + ... + 29489.

It is an arithmetic number, because the mean of its divisors is an integer number (17573556).

Almost surely, 2^396599652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396599652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527206680).

396599652 is an abundant number, since it is smaller than the sum of its proper divisors (657813708).

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

396599652 is a wasteful number, since it uses less digits than its factorization.

396599652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20822 (or 20811 counting only the distinct ones).

The product of its digits is 3936600, while the sum is 54.

The square root of 396599652 is about 19914.8098660268. The cubic root of 396599652 is about 734.7125239774.

The spelling of 396599652 in words is "three hundred ninety-six million, five hundred ninety-nine thousand, six hundred fifty-two".