1890764 has 6 divisors (see below), whose sum is σ = 3308844. Its totient is φ = 945380.

The previous prime is 1890743. The next prime is 1890769. The reversal of 1890764 is 4670981.

It is not an unprimeable number, because it can be changed into a prime (1890769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236342 + ... + 236349.

It is an arithmetic number, because the mean of its divisors is an integer number (551474).

2^1890764 is an apocalyptic number.

It is an amenable number.

1890764 is a deficient number, since it is larger than the sum of its proper divisors (1418080).

1890764 is a wasteful number, since it uses less digits than its factorization.

1890764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472695 (or 472693 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1890764 is about 1375.0505445255. The cubic root of 1890764 is about 123.6552163371.

The spelling of 1890764 in words is "one million, eight hundred ninety thousand, seven hundred sixty-four".