396355380 has 48 divisors (see below), whose sum is σ = 1111064640. Its totient is φ = 105573888.

The previous prime is 396355373. The next prime is 396355397. The reversal of 396355380 is 83553693.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 57267 + ... + 63813.

It is an arithmetic number, because the mean of its divisors is an integer number (23147180).

Almost surely, 2^396355380 is an apocalyptic number.

396355380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

396355380 is an abundant number, since it is smaller than the sum of its proper divisors (714709260).

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

396355380 is a wasteful number, since it uses less digits than its factorization.

396355380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7568 (or 7566 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The square root of 396355380 is about 19908.6759981672. The cubic root of 396355380 is about 734.5616526429.

The spelling of 396355380 in words is "three hundred ninety-six million, three hundred fifty-five thousand, three hundred eighty".