397042 has 8 divisors (see below), whose sum is σ = 604656. Its totient is φ = 195492.

The previous prime is 397037. The next prime is 397051. The reversal of 397042 is 240793.

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

It is a junction number, because it is equal to n+sod(n) for n = 396998 and 397016.

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, 1348 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (75582).

2³⁹⁷⁰⁴² is an apocalyptic number.

397042 is a deficient number, since it is larger than the sum of its proper divisors (207614).

397042 is a wasteful number, since it uses less digits than its factorization.

397042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 397042 is about 630.1126883344. The cubic root of 397042 is about 73.4985576714.

The spelling of 397042 in words is "three hundred ninety-seven thousand, forty-two".