897792431 has 8 divisors (see below), whose sum is σ = 900991728. Its totient is φ = 894600000.

The previous prime is 897792391. The next prime is 897792437. The reversal of 897792431 is 134297798.

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

It is a cyclic number.

It is not a de Polignac number, because 897792431 - 2¹⁸ = 897530287 is a prime.

It is a super-2 number, since 2×897792431² = 1612062498321779522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 897792431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897792437) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 420236 + ... + 422366.

It is an arithmetic number, because the mean of its divisors is an integer number (112623966).

Almost surely, 2^897792431 is an apocalyptic number.

897792431 is a deficient number, since it is larger than the sum of its proper divisors (3199297).

897792431 is a wasteful number, since it uses less digits than its factorization.

897792431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433.

The product of its digits is 762048, while the sum is 50.

The square root of 897792431 is about 29963.1845937644. The cubic root of 897792431 is about 964.6993366529.

The spelling of 897792431 in words is "eight hundred ninety-seven million, seven hundred ninety-two thousand, four hundred thirty-one".