2539706 has 32 divisors (see below), whose sum is σ = 4451328. Its totient is φ = 1077120.

The previous prime is 2539699. The next prime is 2539753. The reversal of 2539706 is 6079352.

It is a d-powerful number, because it can be written as 2¹³ + 5⁹ + 3⁵ + 9⁶ + 7² + 0 + 6⁶ .

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, 18470 + ... + 18606.

It is an arithmetic number, because the mean of its divisors is an integer number (139104).

2^2539706 is an apocalyptic number.

2539706 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2539706 is a deficient number, since it is larger than the sum of its proper divisors (1911622).

2539706 is a wasteful number, since it uses less digits than its factorization.

2539706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 2539706 is about 1593.6455063784. The cubic root of 2539706 is about 136.4356345180.

The spelling of 2539706 in words is "two million, five hundred thirty-nine thousand, seven hundred six".