2102939724 has 24 divisors (see below), whose sum is σ = 4999443120. Its totient is φ = 687753664.

The previous prime is 2102939723. The next prime is 2102939759. The reversal of 2102939724 is 4279392012.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2102939723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1652619 + ... + 1653890.

It is an arithmetic number, because the mean of its divisors is an integer number (208310130).

Almost surely, 2^2102939724 is an apocalyptic number.

It is an amenable number.

2102939724 is an abundant number, since it is smaller than the sum of its proper divisors (2896503396).

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

2102939724 is a wasteful number, since it uses less digits than its factorization.

2102939724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306569 (or 3306567 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 2102939724 is about 45857.8207506637. The cubic root of 2102939724 is about 1281.1764338836.

It can be divided in two parts, 2 and 102939724, that added together give a triangular number (102939726 = T₁₄₃₄₈).

The spelling of 2102939724 in words is "two billion, one hundred two million, nine hundred thirty-nine thousand, seven hundred twenty-four".