397010473 has 4 divisors (see below), whose sum is σ = 397267668. Its totient is φ = 396753280.

The previous prime is 397010441. The next prime is 397010477. The reversal of 397010473 is 374010793.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49449024 + 347561449 = 7032^2 + 18643^2 .

It is a cyclic number.

It is not a de Polignac number, because 397010473 - 2⁵ = 397010441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397010477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126268 + ... + 129373.

It is an arithmetic number, because the mean of its divisors is an integer number (99316917).

Almost surely, 2^397010473 is an apocalyptic number.

It is an amenable number.

397010473 is a deficient number, since it is larger than the sum of its proper divisors (257195).

397010473 is a wasteful number, since it uses less digits than its factorization.

397010473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257194.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 397010473 is about 19925.1216558394. The cubic root of 397010473 is about 734.9661224301.

The spelling of 397010473 in words is "three hundred ninety-seven million, ten thousand, four hundred seventy-three".