1860228 has 18 divisors (see below), whose sum is σ = 4702334. Its totient is φ = 620064.

The previous prime is 1860197. The next prime is 1860251. The reversal of 1860228 is 8220681.

It can be written as a sum of positive squares in only one way, i.e., 1855044 + 5184 = 1362^2 + 72^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25801 + ... + 25872.

2^1860228 is an apocalyptic number.

1860228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1860228 is an abundant number, since it is smaller than the sum of its proper divisors (2842106).

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

1860228 is a wasteful number, since it uses less digits than its factorization.

1860228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51683 (or 51678 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1860228 is about 1363.9017559927. The cubic root of 1860228 is about 122.9859194669.

The spelling of 1860228 in words is "one million, eight hundred sixty thousand, two hundred twenty-eight".