1872002 has 8 divisors (see below), whose sum is σ = 3063312. Its totient is φ = 850900.

The previous prime is 1872001. The next prime is 1872007. The reversal of 1872002 is 2002781.

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

It is not an unprimeable number, because it can be changed into a prime (1872001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42524 + ... + 42567.

It is an arithmetic number, because the mean of its divisors is an integer number (382914).

2^1872002 is an apocalyptic number.

1872002 is a deficient number, since it is larger than the sum of its proper divisors (1191310).

1872002 is a wasteful number, since it uses less digits than its factorization.

1872002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85104.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1872002 is about 1368.2112410005. The cubic root of 1872002 is about 123.2448468456.

Adding to 1872002 its reverse (2002781), we get a palindrome (3874783).

The spelling of 1872002 in words is "one million, eight hundred seventy-two thousand, two".