2399779932 has 36 divisors (see below), whose sum is σ = 6154811208. Its totient is φ = 727205600.

The previous prime is 2399779931. The next prime is 2399779973.

2399779932 is nontrivially palindromic in base 10.

2399779932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399779931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 824919 + ... + 827822.

It is an arithmetic number, because the mean of its divisors is an integer number (170966978).

Almost surely, 2^2399779932 is an apocalyptic number.

2399779932 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2399779932 is an abundant number, since it is smaller than the sum of its proper divisors (3755031276).

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

2399779932 is a wasteful number, since it uses less digits than its factorization.

2399779932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652770 (or 1652757 counting only the distinct ones).

The product of its digits is 11573604, while the sum is 60.

The square root of 2399779932 is about 48987.5487445534. The cubic root of 2399779932 is about 1338.8249764772.

The spelling of 2399779932 in words is "two billion, three hundred ninety-nine million, seven hundred seventy-nine thousand, nine hundred thirty-two".