2481666 has 32 divisors (see below), whose sum is σ = 5702400. Its totient is φ = 712080.

The previous prime is 2481653. The next prime is 2481697. The reversal of 2481666 is 6661842.

It is a happy number.

It is a super-2 number, since 2×2481666² = 12317332271112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (178200).

2^2481666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2481666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2851200).

2481666 is an abundant number, since it is smaller than the sum of its proper divisors (3220734).

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

2481666 is a wasteful number, since it uses less digits than its factorization.

2481666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014.

The product of its digits is 13824, while the sum is 33.

The square root of 2481666 is about 1575.3304415265. The cubic root of 2481666 is about 135.3882922588.

The spelling of 2481666 in words is "two million, four hundred eighty-one thousand, six hundred sixty-six".