2152906392 has 128 divisors (see below), whose sum is σ = 6786178560. Its totient is φ = 553927680.

The previous prime is 2152906339. The next prime is 2152906403. The reversal of 2152906392 is 2936092512.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2152906392.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77523 + ... + 101565.

It is an arithmetic number, because the mean of its divisors is an integer number (53017020).

Almost surely, 2^2152906392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152906392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3393089280).

2152906392 is an abundant number, since it is smaller than the sum of its proper divisors (4633272168).

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

2152906392 is a wasteful number, since it uses less digits than its factorization.

2152906392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24113 (or 24109 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 2152906392 is about 46399.4223239902. The cubic root of 2152906392 is about 1291.2441959063.

The spelling of 2152906392 in words is "two billion, one hundred fifty-two million, nine hundred six thousand, three hundred ninety-two".