397054776 has 64 divisors (see below), whose sum is σ = 1050825600. Its totient is φ = 124806528.

The previous prime is 397054759. The next prime is 397054781. The reversal of 397054776 is 677450793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23295 + ... + 36561.

It is an arithmetic number, because the mean of its divisors is an integer number (16419150).

Almost surely, 2^397054776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397054776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525412800).

397054776 is an abundant number, since it is smaller than the sum of its proper divisors (653770824).

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

397054776 is a wasteful number, since it uses less digits than its factorization.

397054776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13348 (or 13344 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 48.

The square root of 397054776 is about 19926.2333620782. The cubic root of 397054776 is about 734.9934600742.

The spelling of 397054776 in words is "three hundred ninety-seven million, fifty-four thousand, seven hundred seventy-six".