2152992 has 48 divisors (see below), whose sum is σ = 5800032. Its totient is φ = 698880.

The previous prime is 2152973. The next prime is 2153051. The reversal of 2152992 is 2992512.

It is a tau number, because it is divible by the number of its divisors (48).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3663 + ... + 4209.

It is an arithmetic number, because the mean of its divisors is an integer number (120834).

2^2152992 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 2152992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2900016).

2152992 is an abundant number, since it is smaller than the sum of its proper divisors (3647040).

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

2152992 is a wasteful number, since it uses less digits than its factorization.

2152992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 593 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 2152992 is about 1467.3077386833. The cubic root of 2152992 is about 129.1261310657.

The spelling of 2152992 in words is "two million, one hundred fifty-two thousand, nine hundred ninety-two".