2639308 has 12 divisors (see below), whose sum is σ = 5278672. Its totient is φ = 1131120.

The previous prime is 2639303. The next prime is 2639323. The reversal of 2639308 is 8039362.

It is a happy number.

2639308 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2639308.

It is not an unprimeable number, because it can be changed into a prime (2639303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47103 + ... + 47158.

2^2639308 is an apocalyptic number.

2639308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2639308 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2639308 is a wasteful number, since it uses less digits than its factorization.

2639308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94272 (or 94270 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2639308 is about 1624.5947186914. The cubic root of 2639308 is about 138.1963877549.

The spelling of 2639308 in words is "two million, six hundred thirty-nine thousand, three hundred eight".