2639814 has 8 divisors (see below), whose sum is σ = 5279640. Its totient is φ = 879936.

The previous prime is 2639809. The next prime is 2639827. The reversal of 2639814 is 4189362.

It is a sphenic number, since it is the product of 3 distinct primes.

2639814 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219979 + ... + 219990.

It is an arithmetic number, because the mean of its divisors is an integer number (659955).

2^2639814 is an apocalyptic number.

2639814 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.

2639814 is a wasteful number, since it uses less digits than its factorization.

2639814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439974.

The product of its digits is 10368, while the sum is 33.

The square root of 2639814 is about 1624.7504423757. The cubic root of 2639814 is about 138.2052187191.

The spelling of 2639814 in words is "two million, six hundred thirty-nine thousand, eight hundred fourteen".