397240954 has 16 divisors (see below), whose sum is σ = 667600416. Its totient is φ = 175683600.

The previous prime is 397240951. The next prime is 397240973. The reversal of 397240954 is 459042793.

It is a self number, because there is not a number n which added to its sum of digits gives 397240954.

It is not an unprimeable number, because it can be changed into a prime (397240951) 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, 243192 + ... + 244819.

It is an arithmetic number, because the mean of its divisors is an integer number (41725026).

Almost surely, 2^397240954 is an apocalyptic number.

397240954 is a deficient number, since it is larger than the sum of its proper divisors (270359462).

397240954 is a wasteful number, since it uses less digits than its factorization.

397240954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488061.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 397240954 is about 19930.9044952807. The cubic root of 397240954 is about 735.1083209937.

The spelling of 397240954 in words is "three hundred ninety-seven million, two hundred forty thousand, nine hundred fifty-four".