2653992 has 64 divisors (see below), whose sum is σ = 8049600. Its totient is φ = 803520.

The previous prime is 2653991. The next prime is 2653999. The reversal of 2653992 is 2993562.

2653992 is a `hidden beast` number, since 265 + 399 + 2 = 666.

2653992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2653991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1818 + ... + 2934.

It is an arithmetic number, because the mean of its divisors is an integer number (125775).

2^2653992 is an apocalyptic number.

2653992 is a gapful number since it is divisible by the number (22) 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 2653992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4024800).

2653992 is an abundant number, since it is smaller than the sum of its proper divisors (5395608).

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

2653992 is a wasteful number, since it uses less digits than its factorization.

2653992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1133 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 2653992 is about 1629.1077312443. The cubic root of 2653992 is about 138.4522027894.

The spelling of 2653992 in words is "two million, six hundred fifty-three thousand, nine hundred ninety-two".