397023696 has 180 divisors, whose sum is σ = 1216544160. Its totient is φ = 120528000.

The previous prime is 397023691. The next prime is 397023703. The reversal of 397023696 is 696320793.

It is a super-3 number, since 3×397023696³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397023691) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2629221 + ... + 2629371.

Almost surely, 2^397023696 is an apocalyptic number.

397023696 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 397023696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608272080).

397023696 is an abundant number, since it is smaller than the sum of its proper divisors (819520464).

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

397023696 is a wasteful number, since it uses less digits than its factorization.

397023696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The square root of 397023696 is about 19925.4534703730. The cubic root of 397023696 is about 734.9742820378.

The spelling of 397023696 in words is "three hundred ninety-seven million, twenty-three thousand, six hundred ninety-six".