397250499 has 16 divisors (see below), whose sum is σ = 559623680. Its totient is φ = 249959520.

The previous prime is 397250479. The next prime is 397250501. The reversal of 397250499 is 994052793.

It is not a de Polignac number, because 397250499 - 2¹¹ = 397248451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397250429) 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, 2589 + ... + 28305.

It is an arithmetic number, because the mean of its divisors is an integer number (34976480).

Almost surely, 2^397250499 is an apocalyptic number.

397250499 is a deficient number, since it is larger than the sum of its proper divisors (162373181).

397250499 is a wasteful number, since it uses less digits than its factorization.

397250499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26010.

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 397250499 is about 19931.1439460960. The cubic root of 397250499 is about 735.1142087323.

The spelling of 397250499 in words is "three hundred ninety-seven million, two hundred fifty thousand, four hundred ninety-nine".