1890472 has 16 divisors (see below), whose sum is σ = 3598560. Its totient is φ = 930864.

The previous prime is 1890467. The next prime is 1890479. The reversal of 1890472 is 2740981.

It is not an unprimeable number, because it can be changed into a prime (1890479) 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, 1228 + ... + 2299.

It is an arithmetic number, because the mean of its divisors is an integer number (224910).

2^1890472 is an apocalyptic number.

It is an amenable number.

1890472 is a deficient number, since it is larger than the sum of its proper divisors (1708088).

1890472 is a wasteful number, since it uses less digits than its factorization.

1890472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600 (or 3596 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1890472 is about 1374.9443625107. The cubic root of 1890472 is about 123.6488504480.

The spelling of 1890472 in words is "one million, eight hundred ninety thousand, four hundred seventy-two".