2400685 has 16 divisors (see below), whose sum is σ = 3326976. Its totient is φ = 1628928.

The previous prime is 2400667. The next prime is 2400703. The reversal of 2400685 is 5860042.

It is an interprime number because it is at equal distance from previous prime (2400667) and next prime (2400703).

It is not a de Polignac number, because 2400685 - 2⁷ = 2400557 is a prime.

It is a Duffinian number.

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, 3652 + ... + 4258.

It is an arithmetic number, because the mean of its divisors is an integer number (207936).

2^2400685 is an apocalyptic number.

It is an amenable number.

2400685 is a deficient number, since it is larger than the sum of its proper divisors (926291).

2400685 is a wasteful number, since it uses less digits than its factorization.

2400685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2400685 is about 1549.4144055094. The cubic root of 2400685 is about 133.8993266262.

The spelling of 2400685 in words is "two million, four hundred thousand, six hundred eighty-five".