397554696 has 384 divisors, whose sum is σ = 1447891200. Its totient is φ = 98841600.

The previous prime is 397554691. The next prime is 397554697. The reversal of 397554696 is 696455793.

397554696 is a `hidden beast` number, since 3 + 9 + 7 + 5 + 546 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (397554691) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7501006 + ... + 7501058.

It is an arithmetic number, because the mean of its divisors is an integer number (3770550).

Almost surely, 2^397554696 is an apocalyptic number.

397554696 is a gapful number since it is divisible by the number (36) 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 397554696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723945600).

397554696 is an abundant number, since it is smaller than the sum of its proper divisors (1050336504).

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

397554696 is a wasteful number, since it uses less digits than its factorization.

397554696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 117 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 54.

The square root of 397554696 is about 19938.7736834541. The cubic root of 397554696 is about 735.3018002583.

The spelling of 397554696 in words is "three hundred ninety-seven million, five hundred fifty-four thousand, six hundred ninety-six".