4892421 has 8 divisors (see below), whose sum is σ = 6575104. Its totient is φ = 3235680.

The previous prime is 4892401. The next prime is 4892429. The reversal of 4892421 is 1242984.

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

It is not a de Polignac number, because 4892421 - 2¹⁷ = 4761349 is a prime.

It is a Duffinian number.

4892421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4892429) 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, 6040 + ... + 6801.

It is an arithmetic number, because the mean of its divisors is an integer number (821888).

Almost surely, 2^4892421 is an apocalyptic number.

It is an amenable number.

4892421 is a deficient number, since it is larger than the sum of its proper divisors (1682683).

4892421 is a wasteful number, since it uses less digits than its factorization.

4892421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12971.

The product of its digits is 4608, while the sum is 30.

The square root of 4892421 is about 2211.8817780343. The cubic root of 4892421 is about 169.7623091116.

The spelling of 4892421 in words is "four million, eight hundred ninety-two thousand, four hundred twenty-one".