2639226 has 16 divisors (see below), whose sum is σ = 5365728. Its totient is φ = 865200.

The previous prime is 2639213. The next prime is 2639239. The reversal of 2639226 is 6229362.

It is an interprime number because it is at equal distance from previous prime (2639213) and next prime (2639239).

It is a d-powerful number, because it can be written as 2⁹ + 6³ + 3¹² + 9² + 2¹¹ + 2²¹ + 6⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 2639193 and 2639202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3240 + ... + 3971.

It is an arithmetic number, because the mean of its divisors is an integer number (335358).

2^2639226 is an apocalyptic number.

2639226 is an abundant number, since it is smaller than the sum of its proper divisors (2726502).

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

2639226 is a wasteful number, since it uses less digits than its factorization.

2639226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7277.

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

The square root of 2639226 is about 1624.5694814319. The cubic root of 2639226 is about 138.1949565437.

The spelling of 2639226 in words is "two million, six hundred thirty-nine thousand, two hundred twenty-six".