4892921 has 4 divisors (see below), whose sum is σ = 5337744. Its totient is φ = 4448100.

The previous prime is 4892897. The next prime is 4892941. The reversal of 4892921 is 1292984.

4892921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4892921 - 2⁶ = 4892857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4892941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222395 + ... + 222416.

It is an arithmetic number, because the mean of its divisors is an integer number (1334436).

Almost surely, 2^4892921 is an apocalyptic number.

It is an amenable number.

4892921 is a deficient number, since it is larger than the sum of its proper divisors (444823).

4892921 is a wasteful number, since it uses less digits than its factorization.

4892921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444822.

The product of its digits is 10368, while the sum is 35.

The square root of 4892921 is about 2211.9948010789. The cubic root of 4892921 is about 169.7680920879.

The spelling of 4892921 in words is "four million, eight hundred ninety-two thousand, nine hundred twenty-one".