2439343900 has 72 divisors (see below), whose sum is σ = 6086971520. Its totient is φ = 831176640.

The previous prime is 2439343897. The next prime is 2439343969. The reversal of 2439343900 is 93439342.

2439343900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2439343900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103411 + ... + 124789.

Almost surely, 2^2439343900 is an apocalyptic number.

2439343900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2439343900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3043485760).

2439343900 is an abundant number, since it is smaller than the sum of its proper divisors (3647627620).

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

2439343900 is a wasteful number, since it uses less digits than its factorization.

2439343900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21563 (or 21556 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 2439343900 is about 49389.7145162837. The cubic root of 2439343900 is about 1346.1424215294.

The spelling of 2439343900 in words is "two billion, four hundred thirty-nine million, three hundred forty-three thousand, nine hundred".