397730496 has 112 divisors (see below), whose sum is σ = 1143772160. Its totient is φ = 121512960.

The previous prime is 397730479. The next prime is 397730551. The reversal of 397730496 is 694037793.

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

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, 111330 + ... + 114846.

Almost surely, 2^397730496 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 397730496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571886080).

397730496 is an abundant number, since it is smaller than the sum of its proper divisors (746041664).

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

397730496 is a wasteful number, since it uses less digits than its factorization.

397730496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582 (or 3572 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 48.

The square root of 397730496 is about 19943.1816919969. The cubic root of 397730496 is about 735.4101685814.

The spelling of 397730496 in words is "three hundred ninety-seven million, seven hundred thirty thousand, four hundred ninety-six".