92491421 has 8 divisors (see below), whose sum is σ = 100978464. Its totient is φ = 84017520.

The previous prime is 92491391. The next prime is 92491429. The reversal of 92491421 is 12419429.

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

It is a cyclic number.

It is not a de Polignac number, because 92491421 - 2¹⁰ = 92490397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92491429) 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, 16811 + ... + 21623.

It is an arithmetic number, because the mean of its divisors is an integer number (12622308).

Almost surely, 2^92491421 is an apocalyptic number.

It is an amenable number.

92491421 is a deficient number, since it is larger than the sum of its proper divisors (8487043).

92491421 is a wasteful number, since it uses less digits than its factorization.

92491421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571.

The product of its digits is 5184, while the sum is 32.

The square root of 92491421 is about 9617.2460195214. The cubic root of 92491421 is about 452.2381028774.

The spelling of 92491421 in words is "ninety-two million, four hundred ninety-one thousand, four hundred twenty-one".