1868026 has 8 divisors (see below), whose sum is σ = 2831220. Its totient is φ = 924288.

The previous prime is 1868017. The next prime is 1868033. The reversal of 1868026 is 6208681.

It can be written as a sum of positive squares in 2 ways, for example, as 1687401 + 180625 = 1299^2 + 425^2 .

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

It is a super-2 number, since 2×1868026² = 6979042273352, which contains 22 as substring.

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, 4621 + ... + 5008.

2^1868026 is an apocalyptic number.

1868026 is a deficient number, since it is larger than the sum of its proper divisors (963194).

1868026 is an equidigital number, since it uses as much as digits as its factorization.

1868026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9728.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1868026 is about 1366.7574766578. The cubic root of 1868026 is about 123.1575305491.

The spelling of 1868026 in words is "one million, eight hundred sixty-eight thousand, twenty-six".