397334842 has 8 divisors (see below), whose sum is σ = 596787732. Its totient is φ = 198405600.

The previous prime is 397334827. The next prime is 397334869. The reversal of 397334842 is 248433793.

It can be written as a sum of positive squares in 2 ways, for example, as 396846241 + 488601 = 19921^2 + 699^2 .

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, 129009 + ... + 132052.

Almost surely, 2^397334842 is an apocalyptic number.

397334842 is a deficient number, since it is larger than the sum of its proper divisors (199452890).

397334842 is a wasteful number, since it uses less digits than its factorization.

397334842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261824.

The product of its digits is 435456, while the sum is 43.

The square root of 397334842 is about 19933.2596932865. The cubic root of 397334842 is about 735.1662307775.

The spelling of 397334842 in words is "three hundred ninety-seven million, three hundred thirty-four thousand, eight hundred forty-two".