397040793 has 8 divisors (see below), whose sum is σ = 531259488. Its totient is φ = 263757984.

The previous prime is 397040783. The next prime is 397040849.

397040793 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 397040793 - 2¹² = 397036697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397040723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232980 + ... + 234677.

It is an arithmetic number, because the mean of its divisors is an integer number (66407436).

Almost surely, 2^397040793 is an apocalyptic number.

It is an amenable number.

397040793 is a deficient number, since it is larger than the sum of its proper divisors (134218695).

397040793 is a wasteful number, since it uses less digits than its factorization.

397040793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467943.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 397040793 is about 19925.8824898673. The cubic root of 397040793 is about 734.9848319328.

The spelling of 397040793 in words is "three hundred ninety-seven million, forty thousand, seven hundred ninety-three".