396554020 has 12 divisors (see below), whose sum is σ = 832763484. Its totient is φ = 158621600.

The previous prime is 396553961. The next prime is 396554027. The reversal of 396554020 is 20455693.

It can be written as a sum of positive squares in 2 ways, for example, as 238146624 + 158407396 = 15432^2 + 12586^2 .

It is a super-3 number, since 3×396554020³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (396554027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9913831 + ... + 9913870.

It is an arithmetic number, because the mean of its divisors is an integer number (69396957).

Almost surely, 2^396554020 is an apocalyptic number.

It is an amenable number.

396554020 is an abundant number, since it is smaller than the sum of its proper divisors (436209464).

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

396554020 is a wasteful number, since it uses less digits than its factorization.

396554020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19827710 (or 19827708 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 396554020 is about 19913.6641530382. The cubic root of 396554020 is about 734.6843446891.

The spelling of 396554020 in words is "three hundred ninety-six million, five hundred fifty-four thousand, twenty".