392982897 has 16 divisors (see below), whose sum is σ = 558133632. Its totient is φ = 245095680.

The previous prime is 392982869. The next prime is 392982901. The reversal of 392982897 is 798289293.

It is not a de Polignac number, because 392982897 - 2⁷ = 392982769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (392982817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14554 + ... + 31587.

It is an arithmetic number, because the mean of its divisors is an integer number (34883352).

Almost surely, 2^392982897 is an apocalyptic number.

It is an amenable number.

392982897 is a deficient number, since it is larger than the sum of its proper divisors (165150735).

392982897 is a wasteful number, since it uses less digits than its factorization.

392982897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46328.

The product of its digits is 3919104, while the sum is 57.

The square root of 392982897 is about 19823.7962307929. The cubic root of 392982897 is about 732.4723186470.

It can be divided in two parts, 39298 and 2897, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 392982897 in words is "three hundred ninety-two million, nine hundred eighty-two thousand, eight hundred ninety-seven".