397413748 has 6 divisors (see below), whose sum is σ = 695474066. Its totient is φ = 198706872.

The previous prime is 397413703. The next prime is 397413763. The reversal of 397413748 is 847314793.

It can be written as a sum of positive squares in only one way, i.e., 388957284 + 8456464 = 19722^2 + 2908^2 .

It is a junction number, because it is equal to n+sod(n) for n = 397413698 and 397413707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49676715 + ... + 49676722.

Almost surely, 2^397413748 is an apocalyptic number.

It is an amenable number.

397413748 is a deficient number, since it is larger than the sum of its proper divisors (298060318).

397413748 is a wasteful number, since it uses less digits than its factorization.

397413748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99353441 (or 99353439 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 397413748 is about 19935.2388498357. The cubic root of 397413748 is about 735.2148926624.

It can be divided in two parts, 397413 and 748, that added together give a square (398161 = 631²).

The spelling of 397413748 in words is "three hundred ninety-seven million, four hundred thirteen thousand, seven hundred forty-eight".