1860156 has 36 divisors (see below), whose sum is σ = 4745832. Its totient is φ = 614304.

The previous prime is 1860143. The next prime is 1860163. The reversal of 1860156 is 6510681.

1860156 is a `hidden beast` number, since 1 + 8 + 601 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5710 + ... + 6026.

2^1860156 is an apocalyptic number.

It is an amenable number.

1860156 is an abundant number, since it is smaller than the sum of its proper divisors (2885676).

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

1860156 is a wasteful number, since it uses less digits than its factorization.

1860156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1860156 is about 1363.8753608743. The cubic root of 1860156 is about 122.9843327258.

It can be divided in two parts, 1860 and 156, that added together give a triangular number (2016 = T₆₃).

The spelling of 1860156 in words is "one million, eight hundred sixty thousand, one hundred fifty-six".