4924921 has 8 divisors (see below), whose sum is σ = 5166720. Its totient is φ = 4685472.

The previous prime is 4924903. The next prime is 4924943. The reversal of 4924921 is 1294294.

It is a happy number.

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 4924921 - 2¹¹ = 4922873 is a prime.

4924921 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4924991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4900 + ... + 5818.

It is an arithmetic number, because the mean of its divisors is an integer number (645840).

Almost surely, 2^4924921 is an apocalyptic number.

It is an amenable number.

4924921 is a deficient number, since it is larger than the sum of its proper divisors (241799).

4924921 is a wasteful number, since it uses less digits than its factorization.

4924921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175.

The product of its digits is 5184, while the sum is 31.

The square root of 4924921 is about 2219.2163031124. The cubic root of 4924921 is about 170.1373860576.

The spelling of 4924921 in words is "four million, nine hundred twenty-four thousand, nine hundred twenty-one".