397456234 has 8 divisors (see below), whose sum is σ = 681353568. Its totient is φ = 170338380.

The previous prime is 397456201. The next prime is 397456247. The reversal of 397456234 is 432654793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14194852 + ... + 14194879.

It is an arithmetic number, because the mean of its divisors is an integer number (85169196).

Almost surely, 2^397456234 is an apocalyptic number.

397456234 is a deficient number, since it is larger than the sum of its proper divisors (283897334).

397456234 is a wasteful number, since it uses less digits than its factorization.

397456234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28389740.

The product of its digits is 544320, while the sum is 43.

The square root of 397456234 is about 19936.3044218330. The cubic root of 397456234 is about 735.2410914096.

The spelling of 397456234 in words is "three hundred ninety-seven million, four hundred fifty-six thousand, two hundred thirty-four".