397024999 has 12 divisors (see below), whose sum is σ = 462241728. Its totient is φ = 340015200.

The previous prime is 397024981. The next prime is 397025003. The reversal of 397024999 is 999420793.

It is not a de Polignac number, because 397024999 - 2¹⁷ = 396893927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397024949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69834 + ... + 75304.

It is an arithmetic number, because the mean of its divisors is an integer number (38520144).

Almost surely, 2^397024999 is an apocalyptic number.

397024999 is a deficient number, since it is larger than the sum of its proper divisors (65216729).

397024999 is a wasteful number, since it uses less digits than its factorization.

397024999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966 (or 6959 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 397024999 is about 19925.4861672181. The cubic root of 397024999 is about 734.9750860792.

The spelling of 397024999 in words is "three hundred ninety-seven million, twenty-four thousand, nine hundred ninety-nine".