2489969 has 8 divisors (see below), whose sum is σ = 2712000. Its totient is φ = 2277072.

The previous prime is 2489947. The next prime is 2489999. The reversal of 2489969 is 9699842.

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 2489969 - 2⁸ = 2489713 is a prime.

It is a super-2 number, since 2×2489969² = 12399891241922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2489909) 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, 1709 + ... + 2810.

It is an arithmetic number, because the mean of its divisors is an integer number (339000).

2^2489969 is an apocalyptic number.

2489969 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2489969 is a deficient number, since it is larger than the sum of its proper divisors (222031).

2489969 is a wasteful number, since it uses less digits than its factorization.

2489969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567.

The product of its digits is 279936, while the sum is 47.

The square root of 2489969 is about 1577.9635610495. The cubic root of 2489969 is about 135.5391153532.

The spelling of 2489969 in words is "two million, four hundred eighty-nine thousand, nine hundred sixty-nine".