2459645 has 16 divisors (see below), whose sum is σ = 3291840. Its totient is φ = 1753344.

The previous prime is 2459623. The next prime is 2459657. The reversal of 2459645 is 5469542.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2459645 - 2⁸ = 2459389 is a prime.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (205740).

2^2459645 is an apocalyptic number.

It is an amenable number.

2459645 is a deficient number, since it is larger than the sum of its proper divisors (832195).

2459645 is a wasteful number, since it uses less digits than its factorization.

2459645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its digits is 43200, while the sum is 35.

The square root of 2459645 is about 1568.3255401861. The cubic root of 2459645 is about 134.9866470561.

The spelling of 2459645 in words is "two million, four hundred fifty-nine thousand, six hundred forty-five".