2489407 has 4 divisors (see below), whose sum is σ = 2513680. Its totient is φ = 2465136.

The previous prime is 2489381. The next prime is 2489411. The reversal of 2489407 is 7049842.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2489407 - 2¹⁵ = 2456639 is a prime.

It is a Duffinian number.

2489407 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489477) 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, 11982 + ... + 12187.

It is an arithmetic number, because the mean of its divisors is an integer number (628420).

2^2489407 is an apocalyptic number.

2489407 is a deficient number, since it is larger than the sum of its proper divisors (24273).

2489407 is a wasteful number, since it uses less digits than its factorization.

2489407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24272.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2489407 is about 1577.7854733772. The cubic root of 2489407 is about 135.5289172725.

The spelling of 2489407 in words is "two million, four hundred eighty-nine thousand, four hundred seven".