1866162 has 8 divisors (see below), whose sum is σ = 3732336. Its totient is φ = 622052.

The previous prime is 1866143. The next prime is 1866191. The reversal of 1866162 is 2616681.

It is a sphenic number, since it is the product of 3 distinct primes.

1866162 is an admirable number.

It is a super-2 number, since 2×1866162² = 6965121220488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155508 + ... + 155519.

It is an arithmetic number, because the mean of its divisors is an integer number (466542).

2^1866162 is an apocalyptic number.

1866162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1866162 is a wasteful number, since it uses less digits than its factorization.

1866162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311032.

The product of its digits is 3456, while the sum is 30.

The square root of 1866162 is about 1366.0754005544. The cubic root of 1866162 is about 123.1165528832.

The spelling of 1866162 in words is "one million, eight hundred sixty-six thousand, one hundred sixty-two".