92638621 has 2 divisors, whose sum is σ = 92638622. Its totient is φ = 92638620.

The previous prime is 92638607. The next prime is 92638631. The reversal of 92638621 is 12683629.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48149721 + 44488900 = 6939^2 + 6670^2 .

It is a cyclic number.

It is not a de Polignac number, because 92638621 - 2⁷ = 92638493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92638631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46319310 + 46319311.

It is an arithmetic number, because the mean of its divisors is an integer number (46319311).

Almost surely, 2^92638621 is an apocalyptic number.

It is an amenable number.

92638621 is a deficient number, since it is larger than the sum of its proper divisors (1).

92638621 is an equidigital number, since it uses as much as digits as its factorization.

92638621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 92638621 is about 9624.8958955409. The cubic root of 92638621 is about 452.4778878728.

The spelling of 92638621 in words is "ninety-two million, six hundred thirty-eight thousand, six hundred twenty-one".