1500666 has 16 divisors (see below), whose sum is σ = 3046944. Its totient is φ = 492624.

The previous prime is 1500649. The next prime is 1500691. The reversal of 1500666 is 6660051.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465 + ... + 2268.

It is an arithmetic number, because the mean of its divisors is an integer number (190434).

2^1500666 is an apocalyptic number.

1500666 is an abundant number, since it is smaller than the sum of its proper divisors (1546278).

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

1500666 is a wasteful number, since it uses less digits than its factorization.

1500666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1500666 is about 1225.0167345796. The cubic root of 1500666 is about 114.4883635194.

The spelling of 1500666 in words is "one million, five hundred thousand, six hundred sixty-six".