396180444 has 48 divisors (see below), whose sum is σ = 1067786496. Its totient is φ = 112992000.

The previous prime is 396180439. The next prime is 396180467. The reversal of 396180444 is 444081693.

It is a happy number.

It is a super-4 number, since 4×396180444⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86032 + ... + 90519.

It is an arithmetic number, because the mean of its divisors is an integer number (22245552).

Almost surely, 2^396180444 is an apocalyptic number.

396180444 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

396180444 is an abundant number, since it is smaller than the sum of its proper divisors (671606052).

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

396180444 is a wasteful number, since it uses less digits than its factorization.

396180444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176586 (or 176584 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 396180444 is about 19904.2820518601. The cubic root of 396180444 is about 734.4535676653.

The spelling of 396180444 in words is "three hundred ninety-six million, one hundred eighty thousand, four hundred forty-four".