1868002 has 4 divisors (see below), whose sum is σ = 2802006. Its totient is φ = 934000.

The previous prime is 1867993. The next prime is 1868017. The reversal of 1868002 is 2008681.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2008681 = 491 ⋅4091.

It can be written as a sum of positive squares in only one way, i.e., 1766241 + 101761 = 1329^2 + 319^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 466999 + ... + 467002.

2^1868002 is an apocalyptic number.

1868002 is a deficient number, since it is larger than the sum of its proper divisors (934004).

1868002 is an equidigital number, since it uses as much as digits as its factorization.

1868002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934003.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1868002 is about 1366.7486967252. The cubic root of 1868002 is about 123.1570031130.

The spelling of 1868002 in words is "one million, eight hundred sixty-eight thousand, two".