92478421 has 16 divisors (see below), whose sum is σ = 107089920. Its totient is φ = 78225840.

The previous prime is 92478403. The next prime is 92478431. The reversal of 92478421 is 12487429.

It is not a de Polignac number, because 92478421 - 2¹³ = 92470229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92478431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279226 + ... + 279556.

It is an arithmetic number, because the mean of its divisors is an integer number (6693120).

Almost surely, 2^92478421 is an apocalyptic number.

It is an amenable number.

92478421 is a deficient number, since it is larger than the sum of its proper divisors (14611499).

92478421 is a wasteful number, since it uses less digits than its factorization.

92478421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its digits is 32256, while the sum is 37.

The square root of 92478421 is about 9616.5701266096. The cubic root of 92478421 is about 452.2169139905.

The spelling of 92478421 in words is "ninety-two million, four hundred seventy-eight thousand, four hundred twenty-one".