2406660 has 24 divisors (see below), whose sum is σ = 6738816. Its totient is φ = 641760.

The previous prime is 2406647. The next prime is 2406661. The reversal of 2406660 is 666042.

It is a self number, because there is not a number n which added to its sum of digits gives 2406660.

It is not an unprimeable number, because it can be changed into a prime (2406661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19996 + ... + 20115.

It is an arithmetic number, because the mean of its divisors is an integer number (280784).

2^2406660 is an apocalyptic number.

2406660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2406660 is an abundant number, since it is smaller than the sum of its proper divisors (4332156).

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

2406660 is a wasteful number, since it uses less digits than its factorization.

2406660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40123 (or 40121 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2406660 is about 1551.3413550860. The cubic root of 2406660 is about 134.0103207318.

The spelling of 2406660 in words is "two million, four hundred six thousand, six hundred sixty".