397182246 has 16 divisors (see below), whose sum is σ = 799627008. Its totient is φ = 131517000.

The previous prime is 397182229. The next prime is 397182259. The reversal of 397182246 is 642281793.

It is a junction number, because it is equal to n+sod(n) for n = 397182198 and 397182207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218290 + ... + 220101.

It is an arithmetic number, because the mean of its divisors is an integer number (49976688).

Almost surely, 2^397182246 is an apocalyptic number.

397182246 is an abundant number, since it is smaller than the sum of its proper divisors (402444762).

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

397182246 is a wasteful number, since it uses less digits than its factorization.

397182246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438547.

The product of its digits is 145152, while the sum is 42.

The square root of 397182246 is about 19929.4316527090. The cubic root of 397182246 is about 735.0721054717.

The spelling of 397182246 in words is "three hundred ninety-seven million, one hundred eighty-two thousand, two hundred forty-six".