1889994 has 16 divisors (see below), whose sum is σ = 3797280. Its totient is φ = 627120.

The previous prime is 1889981. The next prime is 1889999. The reversal of 1889994 is 4999881.

It is not an unprimeable number, because it can be changed into a prime (1889999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (237330).

2^1889994 is an apocalyptic number.

1889994 is an abundant number, since it is smaller than the sum of its proper divisors (1907286).

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

1889994 is a wasteful number, since it uses less digits than its factorization.

1889994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445.

The product of its digits is 186624, while the sum is 48.

The square root of 1889994 is about 1374.7705263061. The cubic root of 1889994 is about 123.6384281597.

The spelling of 1889994 in words is "one million, eight hundred eighty-nine thousand, nine hundred ninety-four".