397435412 has 48 divisors (see below), whose sum is σ = 786508800. Its totient is φ = 174152160.

The previous prime is 397435399. The next prime is 397435417. The reversal of 397435412 is 214534793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397435417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148139 + ... + 150797.

It is an arithmetic number, because the mean of its divisors is an integer number (16385600).

Almost surely, 2^397435412 is an apocalyptic number.

It is an amenable number.

397435412 is a deficient number, since it is larger than the sum of its proper divisors (389073388).

397435412 is a wasteful number, since it uses less digits than its factorization.

397435412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796 (or 2794 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 397435412 is about 19935.7822018601. The cubic root of 397435412 is about 735.2282518765.

The spelling of 397435412 in words is "three hundred ninety-seven million, four hundred thirty-five thousand, four hundred twelve".