396090810 has 40 divisors (see below), whose sum is σ = 1065046356. Its totient is φ = 105624000.

The previous prime is 396090763. The next prime is 396090811. The reversal of 396090810 is 18090693.

396090810 is a `hidden beast` number, since 39 + 609 + 0 + 8 + 10 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 363016809 + 33074001 = 19053^2 + 5751^2 .

It is a super-2 number, since 2×396090810² = 313775859532912200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (396090811) 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, 243691 + ... + 245310.

Almost surely, 2^396090810 is an apocalyptic number.

396090810 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

396090810 is an abundant number, since it is smaller than the sum of its proper divisors (668955546).

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

396090810 is a wasteful number, since it uses less digits than its factorization.

396090810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489020 (or 489011 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 396090810 is about 19902.0302984394. The cubic root of 396090810 is about 734.3981745758.

It can be divided in two parts, 396090 and 810, that added together give a square (396900 = 630²).

The spelling of 396090810 in words is "three hundred ninety-six million, ninety thousand, eight hundred ten".