2554660 has 12 divisors (see below), whose sum is σ = 5364828. Its totient is φ = 1021856.

The previous prime is 2554649. The next prime is 2554663. The reversal of 2554660 is 664552.

It can be written as a sum of positive squares in 2 ways, for example, as 322624 + 2232036 = 568^2 + 1494^2 .

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 3 ways as a sum of consecutive naturals, for example, 63847 + ... + 63886.

It is an arithmetic number, because the mean of its divisors is an integer number (447069).

2^2554660 is an apocalyptic number.

2554660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2554660 is an abundant number, since it is smaller than the sum of its proper divisors (2810168).

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

2554660 is a wasteful number, since it uses less digits than its factorization.

2554660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127742 (or 127740 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2554660 is about 1598.3303788641. The cubic root of 2554660 is about 136.7028921090.

The spelling of 2554660 in words is "two million, five hundred fifty-four thousand, six hundred sixty".