2650939 has 4 divisors (see below), whose sum is σ = 2722624. Its totient is φ = 2579256.

The previous prime is 2650933. The next prime is 2650943. The reversal of 2650939 is 9390562.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2650939 - 2³ = 2650931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2650931) 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, 35787 + ... + 35860.

It is an arithmetic number, because the mean of its divisors is an integer number (680656).

2^2650939 is an apocalyptic number.

2650939 is a deficient number, since it is larger than the sum of its proper divisors (71685).

2650939 is an equidigital number, since it uses as much as digits as its factorization.

2650939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71684.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 2650939 is about 1628.1704456229. The cubic root of 2650939 is about 138.3990932648.

The spelling of 2650939 in words is "two million, six hundred fifty thousand, nine hundred thirty-nine".