392924261 has 8 divisors (see below), whose sum is σ = 396023064. Its totient is φ = 389836800.

The previous prime is 392924251. The next prime is 392924263. The reversal of 392924261 is 162429293.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 244328161 + 148596100 = 15631^2 + 12190^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-392924261 is a prime.

It is a super-2 number, since 2×392924261² = 308778949764792242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392924263) 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, 74855 + ... + 79931.

It is an arithmetic number, because the mean of its divisors is an integer number (49502883).

Almost surely, 2^392924261 is an apocalyptic number.

It is an amenable number.

392924261 is a deficient number, since it is larger than the sum of its proper divisors (3098803).

392924261 is a wasteful number, since it uses less digits than its factorization.

392924261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671.

The product of its digits is 46656, while the sum is 38.

The square root of 392924261 is about 19822.3172459730. The cubic root of 392924261 is about 732.4358867111.

The spelling of 392924261 in words is "three hundred ninety-two million, nine hundred twenty-four thousand, two hundred sixty-one".