612392871 has 16 divisors (see below), whose sum is σ = 854286336. Its totient is φ = 389474976.

The previous prime is 612392867. The next prime is 612392897. The reversal of 612392871 is 178293216.

It is not a de Polignac number, because 612392871 - 2² = 612392867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612392171) 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, 14841 + ... + 38013.

It is an arithmetic number, because the mean of its divisors is an integer number (53392896).

Almost surely, 2^612392871 is an apocalyptic number.

612392871 is a deficient number, since it is larger than the sum of its proper divisors (241893465).

612392871 is a wasteful number, since it uses less digits than its factorization.

612392871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23582.

The product of its digits is 36288, while the sum is 39.

The square root of 612392871 is about 24746.5729142441. The cubic root of 612392871 is about 849.2001107098.

It can be divided in two parts, 61 and 2392871, that added together give a palindrome (2392932).

The spelling of 612392871 in words is "six hundred twelve million, three hundred ninety-two thousand, eight hundred seventy-one".