396362280 has 128 divisors (see below), whose sum is σ = 1254113280. Its totient is φ = 100066560.

The previous prime is 396362251. The next prime is 396362297. The reversal of 396362280 is 82263693.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173707 + ... + 175973.

It is an arithmetic number, because the mean of its divisors is an integer number (9797760).

Almost surely, 2^396362280 is an apocalyptic number.

396362280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396362280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627056640).

396362280 is an abundant number, since it is smaller than the sum of its proper divisors (857751000).

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

396362280 is a wasteful number, since it uses less digits than its factorization.

396362280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359 (or 2355 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 396362280 is about 19908.8492886957. The cubic root of 396362280 is about 734.5659151862.

The spelling of 396362280 in words is "three hundred ninety-six million, three hundred sixty-two thousand, two hundred eighty".