4004969 has 4 divisors (see below), whose sum is σ = 4009044. Its totient is φ = 4000896.

The previous prime is 4004951. The next prime is 4004989. The reversal of 4004969 is 9694004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2849344 + 1155625 = 1688^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 4004969 - 2⁸ = 4004713 is a prime.

It is a super-2 number, since 2×4004969² = 32079553381922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4004909) 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, 449 + ... + 2865.

It is an arithmetic number, because the mean of its divisors is an integer number (1002261).

Almost surely, 2^4004969 is an apocalyptic number.

It is an amenable number.

4004969 is a deficient number, since it is larger than the sum of its proper divisors (4075).

4004969 is a wasteful number, since it uses less digits than its factorization.

4004969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 4004969 is about 2001.2418644432. The cubic root of 4004969 is about 158.8058096291.

The spelling of 4004969 in words is "four million, four thousand, nine hundred sixty-nine".