397268544 has 112 divisors (see below), whose sum is σ = 1078918848. Its totient is φ = 128974848.

The previous prime is 397268491. The next prime is 397268551. The reversal of 397268544 is 445862793.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 397268493 and 397268502.

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, 1545664 + ... + 1545920.

It is an arithmetic number, because the mean of its divisors is an integer number (9633204).

Almost surely, 2^397268544 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 397268544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539459424).

397268544 is an abundant number, since it is smaller than the sum of its proper divisors (681650304).

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

397268544 is a wasteful number, since it uses less digits than its factorization.

397268544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 442 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 397268544 is about 19931.5966244554. The cubic root of 397268544 is about 735.1253393540.

The spelling of 397268544 in words is "three hundred ninety-seven million, two hundred sixty-eight thousand, five hundred forty-four".