1861060 has 12 divisors (see below), whose sum is σ = 3908268. Its totient is φ = 744416.

The previous prime is 1861039. The next prime is 1861061. The reversal of 1861060 is 601681.

It can be written as a sum of positive squares in 2 ways, for example, as 1258884 + 602176 = 1122^2 + 776^2 .

It is not an unprimeable number, because it can be changed into a prime (1861061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46507 + ... + 46546.

It is an arithmetic number, because the mean of its divisors is an integer number (325689).

2^1861060 is an apocalyptic number.

1861060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1861060 is an abundant number, since it is smaller than the sum of its proper divisors (2047208).

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

1861060 is a wasteful number, since it uses less digits than its factorization.

1861060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93062 (or 93060 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1861060 is about 1364.2067292020. The cubic root of 1861060 is about 123.0042521719.

The spelling of 1861060 in words is "one million, eight hundred sixty-one thousand, sixty".