1865466 has 24 divisors (see below), whose sum is σ = 4152564. Its totient is φ = 604800.

The previous prime is 1865453. The next prime is 1865467. The reversal of 1865466 is 6645681.

It can be written as a sum of positive squares in 2 ways, for example, as 1766241 + 99225 = 1329^2 + 315^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1865466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1865467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 735 + ... + 2066.

2^1865466 is an apocalyptic number.

1865466 is an abundant number, since it is smaller than the sum of its proper divisors (2287098).

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

1865466 is a wasteful number, since it uses less digits than its factorization.

1865466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846 (or 2843 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 1865466 is about 1365.8206324404. The cubic root of 1865466 is about 123.1012452132.

The spelling of 1865466 in words is "one million, eight hundred sixty-five thousand, four hundred sixty-six".