1860066 has 24 divisors (see below), whose sum is σ = 4340700. Its totient is φ = 572256.

The previous prime is 1860059. The next prime is 1860071. The reversal of 1860066 is 6600681.

It can be written as a sum of positive squares in 2 ways, for example, as 1782225 + 77841 = 1335^2 + 279^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3741 + ... + 4208.

2^1860066 is an apocalyptic number.

1860066 is an abundant number, since it is smaller than the sum of its proper divisors (2480634).

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

1860066 is a wasteful number, since it uses less digits than its factorization.

1860066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7970 (or 7967 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1860066 is about 1363.8423662579. The cubic root of 1860066 is about 122.9823492419.

The spelling of 1860066 in words is "one million, eight hundred sixty thousand, sixty-six".