1890104 has 16 divisors (see below), whose sum is σ = 3666600. Its totient is φ = 912352.

The previous prime is 1890103. The next prime is 1890107. The reversal of 1890104 is 4010981.

It is a self number, because there is not a number n which added to its sum of digits gives 1890104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1890103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842 + ... + 4305.

2^1890104 is an apocalyptic number.

It is an amenable number.

1890104 is a deficient number, since it is larger than the sum of its proper divisors (1776496).

1890104 is a wasteful number, since it uses less digits than its factorization.

1890104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8182 (or 8178 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1890104 is about 1374.8105324007. The cubic root of 1890104 is about 123.6408267499.

The spelling of 1890104 in words is "one million, eight hundred ninety thousand, one hundred four".