397413504 has 192 divisors, whose sum is σ = 1220132160. Its totient is φ = 123881472.

The previous prime is 397413503. The next prime is 397413517. The reversal of 397413504 is 405314793.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (397413503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1404147 + ... + 1404429.

It is an arithmetic number, because the mean of its divisors is an integer number (6354855).

Almost surely, 2^397413504 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 397413504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610066080).

397413504 is an abundant number, since it is smaller than the sum of its proper divisors (822718656).

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

397413504 is a wasteful number, since it uses less digits than its factorization.

397413504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 397413504 is about 19935.2327300185. The cubic root of 397413504 is about 735.2147421959.

The spelling of 397413504 in words is "three hundred ninety-seven million, four hundred thirteen thousand, five hundred four".