397362064 has 80 divisors (see below), whose sum is σ = 867015936. Its totient is φ = 176330880.

The previous prime is 397362001. The next prime is 397362071. The reversal of 397362064 is 460263793.

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, 1000714 + ... + 1001110.

Almost surely, 2^397362064 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 397362064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433507968).

397362064 is an abundant number, since it is smaller than the sum of its proper divisors (469653872).

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

397362064 is a wasteful number, since it uses less digits than its factorization.

397362064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 397362064 is about 19933.9425102010. The cubic root of 397362064 is about 735.1830195041.

The spelling of 397362064 in words is "three hundred ninety-seven million, three hundred sixty-two thousand, sixty-four".