2490732 has 36 divisors (see below), whose sum is σ = 6446440. Its totient is φ = 810432.

The previous prime is 2490731. The next prime is 2490737. The reversal of 2490732 is 2370942.

It is a tau number, because it is divible by the number of its divisors (36).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2490696 and 2490705.

It is not an unprimeable number, because it can be changed into a prime (2490731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 744 + ... + 2352.

2^2490732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2490732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3223220).

2490732 is an abundant number, since it is smaller than the sum of its proper divisors (3955708).

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

2490732 is a wasteful number, since it uses less digits than its factorization.

2490732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2490732 is about 1578.2053098377. The cubic root of 2490732 is about 135.5529583346.

The spelling of 2490732 in words is "two million, four hundred ninety thousand, seven hundred thirty-two".