4721969 has 16 divisors (see below), whose sum is σ = 5698560. Its totient is φ = 3825360.

The previous prime is 4721963. The next prime is 4721999. The reversal of 4721969 is 9691274.

It is not a de Polignac number, because 4721969 - 2¹² = 4717873 is a prime.

It is a super-2 number, since 2×4721969² = 44593982473922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4721963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22274 + ... + 22484.

It is an arithmetic number, because the mean of its divisors is an integer number (356160).

Almost surely, 2^4721969 is an apocalyptic number.

It is an amenable number.

4721969 is a deficient number, since it is larger than the sum of its proper divisors (976591).

4721969 is a wasteful number, since it uses less digits than its factorization.

4721969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

The product of its digits is 27216, while the sum is 38.

The square root of 4721969 is about 2173.0092038461. The cubic root of 4721969 is about 167.7674527252.

The spelling of 4721969 in words is "four million, seven hundred twenty-one thousand, nine hundred sixty-nine".