1890552 has 32 divisors (see below), whose sum is σ = 4856400. Its totient is φ = 612864.

The previous prime is 1890547. The next prime is 1890571. The reversal of 1890552 is 2550981.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177 + ... + 1952.

2^1890552 is an apocalyptic number.

1890552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1890552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2428200).

1890552 is an abundant number, since it is smaller than the sum of its proper divisors (2965848).

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

1890552 is a wasteful number, since it uses less digits than its factorization.

1890552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1890552 is about 1374.9734542892. The cubic root of 1890552 is about 123.6505945924.

It can be divided in two parts, 1890 and 552, that added together give a palindrome (2442).

The spelling of 1890552 in words is "one million, eight hundred ninety thousand, five hundred fifty-two".