2636490 has 32 divisors (see below), whose sum is σ = 6604416. Its totient is φ = 672320.

The previous prime is 2636483. The next prime is 2636503. The reversal of 2636490 is 946362.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 2²¹ + 6² + 3¹² + 6⁵ + 4 + 9² + 0 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221 + ... + 2600.

It is an arithmetic number, because the mean of its divisors is an integer number (206388).

2^2636490 is an apocalyptic number.

2636490 is an abundant number, since it is smaller than the sum of its proper divisors (3967926).

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

2636490 is a wasteful number, since it uses less digits than its factorization.

2636490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2636490 is about 1623.7271938352. The cubic root of 2636490 is about 138.1471859560.

The spelling of 2636490 in words is "two million, six hundred thirty-six thousand, four hundred ninety".