92619421 has 2 divisors, whose sum is σ = 92619422. Its totient is φ = 92619420.

The previous prime is 92619419. The next prime is 92619437. The reversal of 92619421 is 12491629.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57927321 + 34692100 = 7611^2 + 5890^2 .

It is a cyclic number.

It is not a de Polignac number, because 92619421 - 2¹ = 92619419 is a prime.

Together with 92619419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92659421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46309710 + 46309711.

It is an arithmetic number, because the mean of its divisors is an integer number (46309711).

Almost surely, 2^92619421 is an apocalyptic number.

It is an amenable number.

92619421 is a deficient number, since it is larger than the sum of its proper divisors (1).

92619421 is an equidigital number, since it uses as much as digits as its factorization.

92619421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 92619421 is about 9623.8984304698. The cubic root of 92619421 is about 452.4466259808.

The spelling of 92619421 in words is "ninety-two million, six hundred nineteen thousand, four hundred twenty-one".