397065376 has 48 divisors (see below), whose sum is σ = 826156800. Its totient is φ = 187469568.

The previous prime is 397065371. The next prime is 397065433. The reversal of 397065376 is 673560793.

It is a Cunningham number, because it is equal to 735³+1.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (397065371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54730 + ... + 61558.

It is an arithmetic number, because the mean of its divisors is an integer number (17211600).

Almost surely, 2^397065376 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 397065376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413078400).

397065376 is an abundant number, since it is smaller than the sum of its proper divisors (429091424).

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

397065376 is a wasteful number, since it uses less digits than its factorization.

397065376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6941 (or 6933 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 46.

The square root of 397065376 is about 19926.4993413294. The cubic root of 397065376 is about 735.0000006170. Note that the first 6 decimals are identical.

The spelling of 397065376 in words is "three hundred ninety-seven million, sixty-five thousand, three hundred seventy-six".