397714722 has 16 divisors (see below), whose sum is σ = 798367872. Its totient is φ = 132081840.

The previous prime is 397714721. The next prime is 397714727. The reversal of 397714722 is 227417793.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (397714721) 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, 120673 + ... + 123924.

It is an arithmetic number, because the mean of its divisors is an integer number (49897992).

Almost surely, 2^397714722 is an apocalyptic number.

397714722 is an abundant number, since it is smaller than the sum of its proper divisors (400653150).

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

397714722 is a wasteful number, since it uses less digits than its factorization.

397714722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244873.

The product of its digits is 148176, while the sum is 42.

The square root of 397714722 is about 19942.7862145689. The cubic root of 397714722 is about 735.4004463252.

The spelling of 397714722 in words is "three hundred ninety-seven million, seven hundred fourteen thousand, seven hundred twenty-two".