4869921 has 8 divisors (see below), whose sum is σ = 7420864. Its totient is φ = 2782800.

The previous prime is 4869913. The next prime is 4869929. The reversal of 4869921 is 1299684.

It is an interprime number because it is at equal distance from previous prime (4869913) and next prime (4869929).

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

It is not a de Polignac number, because 4869921 - 2³ = 4869913 is a prime.

It is a super-2 number, since 2×4869921² = 47432261092482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4869921.

It is not an unprimeable number, because it can be changed into a prime (4869929) 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, 115930 + ... + 115971.

It is an arithmetic number, because the mean of its divisors is an integer number (927608).

Almost surely, 2^4869921 is an apocalyptic number.

It is an amenable number.

4869921 is a deficient number, since it is larger than the sum of its proper divisors (2550943).

4869921 is a wasteful number, since it uses less digits than its factorization.

4869921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231911.

The product of its digits is 31104, while the sum is 39.

The square root of 4869921 is about 2206.7897498403. The cubic root of 4869921 is about 169.5016663457.

The spelling of 4869921 in words is "four million, eight hundred sixty-nine thousand, nine hundred twenty-one".