1890332 has 12 divisors (see below), whose sum is σ = 3502800. Its totient is φ = 889536.

The previous prime is 1890331. The next prime is 1890337. The reversal of 1890332 is 2330981.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1890331) 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, 13832 + ... + 13967.

It is an arithmetic number, because the mean of its divisors is an integer number (291900).

2^1890332 is an apocalyptic number.

It is an amenable number.

1890332 is a deficient number, since it is larger than the sum of its proper divisors (1612468).

1890332 is a wasteful number, since it uses less digits than its factorization.

1890332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27820 (or 27818 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1890332 is about 1374.8934504172. The cubic root of 1890332 is about 123.6457980769.

It can be divided in two parts, 1890 and 332, that added together give a palindrome (2222).

The spelling of 1890332 in words is "one million, eight hundred ninety thousand, three hundred thirty-two".