2502784 has 16 divisors (see below), whose sum is σ = 4986270. Its totient is φ = 1251328.

The previous prime is 2502781. The next prime is 2502793. The reversal of 2502784 is 4872052.

It can be written as a sum of positive squares in only one way, i.e., 1742400 + 760384 = 1320^2 + 872^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (2502781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9649 + ... + 9904.

2^2502784 is an apocalyptic number.

It is an amenable number.

2502784 is a deficient number, since it is larger than the sum of its proper divisors (2483486).

2502784 is an equidigital number, since it uses as much as digits as its factorization.

2502784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19567 (or 19555 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2502784 is about 1582.0189632239. The cubic root of 2502784 is about 135.7712417314.

The spelling of 2502784 in words is "two million, five hundred two thousand, seven hundred eighty-four".