397484439 has 16 divisors (see below), whose sum is σ = 578492544. Its totient is φ = 240760800.

The previous prime is 397484431. The next prime is 397484443. The reversal of 397484439 is 934484793.

It is not a de Polignac number, because 397484439 - 2³ = 397484431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 397484391 and 397484400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397484431) 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, 109524 + ... + 113094.

It is an arithmetic number, because the mean of its divisors is an integer number (36155784).

Almost surely, 2^397484439 is an apocalyptic number.

397484439 is a deficient number, since it is larger than the sum of its proper divisors (181008105).

397484439 is a wasteful number, since it uses less digits than its factorization.

397484439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6958.

The product of its digits is 2612736, while the sum is 51.

The square root of 397484439 is about 19937.0117871260. The cubic root of 397484439 is about 735.2584828292.

The spelling of 397484439 in words is "three hundred ninety-seven million, four hundred eighty-four thousand, four hundred thirty-nine".