1890936 has 24 divisors (see below), whose sum is σ = 5121480. Its totient is φ = 630288.

The previous prime is 1890923. The next prime is 1890953. The reversal of 1890936 is 6390981.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1890936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13060 + ... + 13203.

It is an arithmetic number, because the mean of its divisors is an integer number (213395).

2^1890936 is an apocalyptic number.

It is an amenable number.

1890936 is an abundant number, since it is smaller than the sum of its proper divisors (3230544).

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

1890936 is a wasteful number, since it uses less digits than its factorization.

1890936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26275 (or 26268 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1890936 is about 1375.1130862587. The cubic root of 1890936 is about 123.6589658007.

The spelling of 1890936 in words is "one million, eight hundred ninety thousand, nine hundred thirty-six".