1861282 has 8 divisors (see below), whose sum is σ = 2812716. Its totient is φ = 923712.

The previous prime is 1861267. The next prime is 1861303. The reversal of 1861282 is 2821681.

It can be written as a sum of positive squares in 2 ways, for example, as 1798281 + 63001 = 1341^2 + 251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1861282.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3123 + ... + 3670.

2^1861282 is an apocalyptic number.

1861282 is a deficient number, since it is larger than the sum of its proper divisors (951434).

1861282 is a wasteful number, since it uses less digits than its factorization.

1861282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932.

The product of its digits is 1536, while the sum is 28.

The square root of 1861282 is about 1364.2880927429. The cubic root of 1861282 is about 123.0091429077.

The spelling of 1861282 in words is "one million, eight hundred sixty-one thousand, two hundred eighty-two".