1890474 has 16 divisors (see below), whose sum is σ = 3806112. Its totient is φ = 625968.

The previous prime is 1890467. The next prime is 1890479. The reversal of 1890474 is 4740981.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1890479) by changing a digit.

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, 12 + ... + 1944.

It is an arithmetic number, because the mean of its divisors is an integer number (237882).

2^1890474 is an apocalyptic number.

1890474 is an abundant number, since it is smaller than the sum of its proper divisors (1915638).

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

1890474 is a wasteful number, since it uses less digits than its factorization.

1890474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1890474 is about 1374.9450898127. The cubic root of 1890474 is about 123.6488940522.

The spelling of 1890474 in words is "one million, eight hundred ninety thousand, four hundred seventy-four".