2403489 has 16 divisors (see below), whose sum is σ = 3524544. Its totient is φ = 1444800.

The previous prime is 2403487. The next prime is 2403509. The reversal of 2403489 is 9843042.

It is a happy number.

It is not a de Polignac number, because 2403489 - 2¹ = 2403487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2403487) 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, 5499 + ... + 5919.

It is an arithmetic number, because the mean of its divisors is an integer number (220284).

2^2403489 is an apocalyptic number.

It is an amenable number.

2403489 is a deficient number, since it is larger than the sum of its proper divisors (1121055).

2403489 is a wasteful number, since it uses less digits than its factorization.

2403489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2403489 is about 1550.3189994321. The cubic root of 2403489 is about 133.9514378125.

The spelling of 2403489 in words is "two million, four hundred three thousand, four hundred eighty-nine".