1890532 has 24 divisors (see below), whose sum is σ = 3810240. Its totient is φ = 804000.

The previous prime is 1890529. The next prime is 1890541. The reversal of 1890532 is 2350981.

It is a super-2 number, since 2×1890532² = 7148222486048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1890532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6894 + ... + 7162.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

2^1890532 is an apocalyptic number.

It is an amenable number.

1890532 is an abundant number, since it is smaller than the sum of its proper divisors (1919708).

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

1890532 is a wasteful number, since it uses less digits than its factorization.

1890532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1890532 is about 1374.9661814023. The cubic root of 1890532 is about 123.6501585609.

The spelling of 1890532 in words is "one million, eight hundred ninety thousand, five hundred thirty-two".