2904489 has 12 divisors (see below), whose sum is σ = 4794816. Its totient is φ = 1659672.

The previous prime is 2904487. The next prime is 2904491. The reversal of 2904489 is 9844092.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2904487) and next prime (2904491).

It is not a de Polignac number, because 2904489 - 2¹ = 2904487 is a prime.

It is a super-2 number, since 2×2904489² = 16872112702242, which contains 22 as substring.

2904489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2904487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22989 + ... + 23114.

It is an arithmetic number, because the mean of its divisors is an integer number (399568).

2^2904489 is an apocalyptic number.

It is an amenable number.

2904489 is a deficient number, since it is larger than the sum of its proper divisors (1890327).

2904489 is a wasteful number, since it uses less digits than its factorization.

2904489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46116 (or 46113 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2904489 is about 1704.2561427203. The cubic root of 2904489 is about 142.6778573291.

The spelling of 2904489 in words is "two million, nine hundred four thousand, four hundred eighty-nine".