397896602245 has 16 divisors (see below), whose sum is σ = 505763554608. Its totient is φ = 299473735680.

The previous prime is 397896602203. The next prime is 397896602393. The reversal of 397896602245 is 542206698793.

It can be written as a sum of positive squares in 8 ways, for example, as 19501843201 + 378394759044 = 139649^2 + 615138^2 .

It is not a de Polignac number, because 397896602245 - 2¹⁷ = 397896471173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714144 + ... + 1142713.

It is an arithmetic number, because the mean of its divisors is an integer number (31610222163).

Almost surely, 2^397896602245 is an apocalyptic number.

It is an amenable number.

397896602245 is a deficient number, since it is larger than the sum of its proper divisors (107866952363).

397896602245 is a wasteful number, since it uses less digits than its factorization.

397896602245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859400.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 397896602245 in words is "three hundred ninety-seven billion, eight hundred ninety-six million, six hundred two thousand, two hundred forty-five".