4923921 has 8 divisors (see below), whose sum is σ = 6657984. Its totient is φ = 3236240.

The previous prime is 4923913. The next prime is 4923929. The reversal of 4923921 is 1293294.

It is an interprime number because it is at equal distance from previous prime (4923913) and next prime (4923929).

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 4923921 - 2³ = 4923913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4923929) 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, 11346 + ... + 11771.

It is an arithmetic number, because the mean of its divisors is an integer number (832248).

Almost surely, 2^4923921 is an apocalyptic number.

It is an amenable number.

4923921 is a deficient number, since it is larger than the sum of its proper divisors (1734063).

4923921 is a wasteful number, since it uses less digits than its factorization.

4923921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23191.

The product of its digits is 3888, while the sum is 30.

The square root of 4923921 is about 2218.9909869127. The cubic root of 4923921 is about 170.1258698727.

The spelling of 4923921 in words is "four million, nine hundred twenty-three thousand, nine hundred twenty-one".