2503890 has 48 divisors (see below), whose sum is σ = 6671808. Its totient is φ = 651168.

The previous prime is 2503883. The next prime is 2503909. The reversal of 2503890 is 983052.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3547 + ... + 4193.

It is an arithmetic number, because the mean of its divisors is an integer number (138996).

2^2503890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2503890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3335904).

2503890 is an abundant number, since it is smaller than the sum of its proper divisors (4167918).

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

2503890 is a wasteful number, since it uses less digits than its factorization.

2503890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2503890 is about 1582.3684779469. The cubic root of 2503890 is about 135.7912382472.

The spelling of 2503890 in words is "two million, five hundred three thousand, eight hundred ninety".