2554992 has 60 divisors (see below), whose sum is σ = 7805304. Its totient is φ = 773760.

The previous prime is 2554991. The next prime is 2555009. The reversal of 2554992 is 2994552.

It is a happy number.

2554992 is a `hidden beast` number, since 25 + 549 + 92 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554991) 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, 778 + ... + 2390.

2^2554992 is an apocalyptic number.

2554992 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 2554992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3902652).

2554992 is an abundant number, since it is smaller than the sum of its proper divisors (5250312).

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

2554992 is a wasteful number, since it uses less digits than its factorization.

2554992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638 (or 1629 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 2554992 is about 1598.4342338676. The cubic root of 2554992 is about 136.7088137573.

The spelling of 2554992 in words is "two million, five hundred fifty-four thousand, nine hundred ninety-two".