397748495 has 16 divisors (see below), whose sum is σ = 489579552. Its totient is φ = 310047360.

The previous prime is 397748479. The next prime is 397748501. The reversal of 397748495 is 594847793.

It is not a de Polignac number, because 397748495 - 2⁴ = 397748479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 397748495.

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, 97109 + ... + 101121.

It is an arithmetic number, because the mean of its divisors is an integer number (30598722).

Almost surely, 2^397748495 is an apocalyptic number.

397748495 is a deficient number, since it is larger than the sum of its proper divisors (91831057).

397748495 is a wasteful number, since it uses less digits than its factorization.

397748495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522.

The product of its digits is 7620480, while the sum is 56.

The square root of 397748495 is about 19943.6329438746. The cubic root of 397748495 is about 735.4212618955.

The spelling of 397748495 in words is "three hundred ninety-seven million, seven hundred forty-eight thousand, four hundred ninety-five".