2403039 has 8 divisors (see below), whose sum is σ = 3290800. Its totient is φ = 1558656.

The previous prime is 2403029. The next prime is 2403047. The reversal of 2403039 is 9303042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2403039 - 2⁵ = 2403007 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10714 + ... + 10935.

It is an arithmetic number, because the mean of its divisors is an integer number (411350).

2^2403039 is an apocalyptic number.

2403039 is a deficient number, since it is larger than the sum of its proper divisors (887761).

2403039 is a wasteful number, since it uses less digits than its factorization.

2403039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21689.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2403039 is about 1550.1738612169. The cubic root of 2403039 is about 133.9430774789.

The spelling of 2403039 in words is "two million, four hundred three thousand, thirty-nine".