2639010 has 48 divisors (see below), whose sum is σ = 6971328. Its totient is φ = 638880.

The previous prime is 2638973. The next prime is 2639041. The reversal of 2639010 is 109362.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3267 + ... + 3993.

It is an arithmetic number, because the mean of its divisors is an integer number (145236).

2^2639010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2639010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3485664).

2639010 is an abundant number, since it is smaller than the sum of its proper divisors (4332318).

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

2639010 is a wasteful number, since it uses less digits than its factorization.

2639010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2639010 is about 1624.5030009206. The cubic root of 2639010 is about 138.1911863822.

The spelling of 2639010 in words is "two million, six hundred thirty-nine thousand, ten".