397374548 has 6 divisors (see below), whose sum is σ = 695405466. Its totient is φ = 198687272.

The previous prime is 397374539. The next prime is 397374581. The reversal of 397374548 is 845473793.

It can be written as a sum of positive squares in only one way, i.e., 290293444 + 107081104 = 17038^2 + 10348^2 .

It is a junction number, because it is equal to n+sod(n) for n = 397374496 and 397374505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49671815 + ... + 49671822.

It is an arithmetic number, because the mean of its divisors is an integer number (115900911).

Almost surely, 2^397374548 is an apocalyptic number.

It is an amenable number.

397374548 is a deficient number, since it is larger than the sum of its proper divisors (298030918).

397374548 is a wasteful number, since it uses less digits than its factorization.

397374548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99343641 (or 99343639 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 50.

The square root of 397374548 is about 19934.2556419847. The cubic root of 397374548 is about 735.1907185521.

It can be divided in two parts, 3973745 and 48, that added together give a palindrome (3973793).

The spelling of 397374548 in words is "three hundred ninety-seven million, three hundred seventy-four thousand, five hundred forty-eight".