2554668 has 36 divisors (see below), whose sum is σ = 6683040. Its totient is φ = 821856.

The previous prime is 2554663. The next prime is 2554711. The reversal of 2554668 is 8664552.

It is a tau number, because it is divible by the number of its divisors (36).

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 (2554663) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 180 + ... + 2267.

It is an arithmetic number, because the mean of its divisors is an integer number (185640).

2^2554668 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 2554668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3341520).

2554668 is an abundant number, since it is smaller than the sum of its proper divisors (4128372).

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

2554668 is a wasteful number, since it uses less digits than its factorization.

2554668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486 (or 2481 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 2554668 is about 1598.3328814737. The cubic root of 2554668 is about 136.7030348054.

The spelling of 2554668 in words is "two million, five hundred fifty-four thousand, six hundred sixty-eight".