92904821 has 2 divisors, whose sum is σ = 92904822. Its totient is φ = 92904820.

The previous prime is 92904809. The next prime is 92904827. The reversal of 92904821 is 12840929.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92640625 + 264196 = 9625^2 + 514^2 .

It is a cyclic number.

It is not a de Polignac number, because 92904821 - 2¹⁸ = 92642677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92904827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46452410 + 46452411.

It is an arithmetic number, because the mean of its divisors is an integer number (46452411).

Almost surely, 2^92904821 is an apocalyptic number.

It is an amenable number.

92904821 is a deficient number, since it is larger than the sum of its proper divisors (1).

92904821 is an equidigital number, since it uses as much as digits as its factorization.

92904821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 92904821 is about 9638.7146964728. The cubic root of 92904821 is about 452.9108765636.

The spelling of 92904821 in words is "ninety-two million, nine hundred four thousand, eight hundred twenty-one".