1806972 has 24 divisors (see below), whose sum is σ = 4400256. Its totient is φ = 576048.

The previous prime is 1806971. The next prime is 1806977. The reversal of 1806972 is 2796081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806971) 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, 2998 + ... + 3549.

It is an arithmetic number, because the mean of its divisors is an integer number (183344).

2^1806972 is an apocalyptic number.

1806972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1806972 is an abundant number, since it is smaller than the sum of its proper divisors (2593284).

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

1806972 is a wasteful number, since it uses less digits than its factorization.

1806972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577 (or 6575 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1806972 is about 1344.2365863195. The cubic root of 1806972 is about 121.8008935415.

The spelling of 1806972 in words is "one million, eight hundred six thousand, nine hundred seventy-two".