396027555 has 144 divisors (see below), whose sum is σ = 834759072. Its totient is φ = 159667200.

The previous prime is 396027503. The next prime is 396027581. The reversal of 396027555 is 555720693.

It is not a de Polignac number, because 396027555 - 2⁸ = 396027299 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5424999 + ... + 5425071.

It is an arithmetic number, because the mean of its divisors is an integer number (5796938).

Almost surely, 2^396027555 is an apocalyptic number.

396027555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

396027555 is an abundant number, since it is smaller than the sum of its proper divisors (438731517).

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

396027555 is a wasteful number, since it uses less digits than its factorization.

396027555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 42.

The square root of 396027555 is about 19900.4410755139. The cubic root of 396027555 is about 734.3590784657.

The spelling of 396027555 in words is "three hundred ninety-six million, twenty-seven thousand, five hundred fifty-five".