1882090 has 48 divisors (see below), whose sum is σ = 4136832. Its totient is φ = 613536.

The previous prime is 1882081. The next prime is 1882099. The reversal of 1882090 is 902881.

It is an interprime number because it is at equal distance from previous prime (1882081) and next prime (1882099).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1882099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11187 + ... + 11353.

It is an arithmetic number, because the mean of its divisors is an integer number (86184).

2^1882090 is an apocalyptic number.

1882090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1882090 is an abundant number, since it is smaller than the sum of its proper divisors (2254742).

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

1882090 is a wasteful number, since it uses less digits than its factorization.

1882090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1882090 is about 1371.8928529590. The cubic root of 1882090 is about 123.4658343864.

It can be divided in two parts, 188 and 2090, that added together give a triangular number (2278 = T₆₇).

The spelling of 1882090 in words is "one million, eight hundred eighty-two thousand, ninety".