2405732 has 24 divisors (see below), whose sum is σ = 4851840. Its totient is φ = 1022400.

The previous prime is 2405729. The next prime is 2405737. The reversal of 2405732 is 2375042.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2405698 and 2405707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3944 + ... + 4512.

It is an arithmetic number, because the mean of its divisors is an integer number (202160).

2^2405732 is an apocalyptic number.

It is an amenable number.

2405732 is an abundant number, since it is smaller than the sum of its proper divisors (2446108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2405732 is a wasteful number, since it uses less digits than its factorization.

2405732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2405732 is about 1551.0422302439. The cubic root of 2405732 is about 133.9930938744.

The spelling of 2405732 in words is "two million, four hundred five thousand, seven hundred thirty-two".