1866452 has 24 divisors (see below), whose sum is σ = 3763200. Its totient is φ = 793440.

The previous prime is 1866451. The next prime is 1866457. The reversal of 1866452 is 2546681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1866451) 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, 5174 + ... + 5522.

It is an arithmetic number, because the mean of its divisors is an integer number (156800).

2^1866452 is an apocalyptic number.

It is an amenable number.

1866452 is an abundant number, since it is smaller than the sum of its proper divisors (1896748).

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

1866452 is a wasteful number, since it uses less digits than its factorization.

1866452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 549 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 1866452 is about 1366.1815399133. The cubic root of 1866452 is about 123.1229299557.

The spelling of 1866452 in words is "one million, eight hundred sixty-six thousand, four hundred fifty-two".