397771348 has 12 divisors (see below), whose sum is σ = 749646100. Its totient is φ = 183586752.

The previous prime is 397771331. The next prime is 397771351. The reversal of 397771348 is 843177793.

It can be written as a sum of positive squares in 2 ways, for example, as 245298244 + 152473104 = 15662^2 + 12348^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3824673 + ... + 3824776.

Almost surely, 2^397771348 is an apocalyptic number.

It is an amenable number.

397771348 is a deficient number, since it is larger than the sum of its proper divisors (351874752).

397771348 is a wasteful number, since it uses less digits than its factorization.

397771348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649466 (or 7649464 counting only the distinct ones).

The product of its digits is 889056, while the sum is 49.

The square root of 397771348 is about 19944.2058753915. The cubic root of 397771348 is about 735.4353463906.

The spelling of 397771348 in words is "three hundred ninety-seven million, seven hundred seventy-one thousand, three hundred forty-eight".