2405684 has 12 divisors (see below), whose sum is σ = 4243008. Its totient is φ = 1193400.

The previous prime is 2405677. The next prime is 2405701. The reversal of 2405684 is 4865042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1772 + ... + 2819.

It is an arithmetic number, because the mean of its divisors is an integer number (353584).

2^2405684 is an apocalyptic number.

It is an amenable number.

2405684 is a deficient number, since it is larger than the sum of its proper divisors (1837324).

2405684 is a wasteful number, since it uses less digits than its factorization.

2405684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726 (or 4724 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 2405684 is about 1551.0267567002. The cubic root of 2405684 is about 133.9922027096.

The spelling of 2405684 in words is "two million, four hundred five thousand, six hundred eighty-four".