397419504 has 80 divisors (see below), whose sum is σ = 1115642880. Its totient is φ = 121443840.

The previous prime is 397419481. The next prime is 397419511. The reversal of 397419504 is 405914793.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 21244 + ... + 35300.

It is an arithmetic number, because the mean of its divisors is an integer number (13945536).

Almost surely, 2^397419504 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 397419504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557821440).

397419504 is an abundant number, since it is smaller than the sum of its proper divisors (718223376).

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

397419504 is a wasteful number, since it uses less digits than its factorization.

397419504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14118 (or 14112 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 397419504 is about 19935.3832167832. The cubic root of 397419504 is about 735.2184421760.

The spelling of 397419504 in words is "three hundred ninety-seven million, four hundred nineteen thousand, five hundred four".