2503878 has 32 divisors (see below), whose sum is σ = 5515776. Its totient is φ = 752928.

The previous prime is 2503873. The next prime is 2503883. The reversal of 2503878 is 8783052.

It is an interprime number because it is at equal distance from previous prime (2503873) and next prime (2503883).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3325 + ... + 4007.

It is an arithmetic number, because the mean of its divisors is an integer number (172368).

2^2503878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2503878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2757888).

2503878 is an abundant number, since it is smaller than the sum of its proper divisors (3011898).

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

2503878 is a wasteful number, since it uses less digits than its factorization.

2503878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2503878 is about 1582.3646861580. The cubic root of 2503878 is about 135.7910213184.

The spelling of 2503878 in words is "two million, five hundred three thousand, eight hundred seventy-eight".