2554664 has 48 divisors (see below), whose sum is σ = 5882400. Its totient is φ = 1037232.

The previous prime is 2554663. The next prime is 2554711. The reversal of 2554664 is 4664552.

Its product of digits (28800) is a multiple of the sum of its prime factors (60).

It is a self number, because there is not a number n which added to its sum of digits gives 2554664.

It is not an unprimeable number, because it can be changed into a prime (2554663) 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, 134447 + ... + 134465.

It is an arithmetic number, because the mean of its divisors is an integer number (122550).

2^2554664 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 2554664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2941200).

2554664 is an abundant number, since it is smaller than the sum of its proper divisors (3327736).

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

2554664 is an frugal number, since it uses more digits than its factorization.

2554664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 28 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 2554664 is about 1598.3316301694. The cubic root of 2554664 is about 136.7029634572.

The spelling of 2554664 in words is "two million, five hundred fifty-four thousand, six hundred sixty-four".