1890130 has 16 divisors (see below), whose sum is σ = 3711744. Its totient is φ = 687280.

The previous prime is 1890121. The next prime is 1890149. The reversal of 1890130 is 310981.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 8482 + ... + 8701.

It is an arithmetic number, because the mean of its divisors is an integer number (231984).

2^1890130 is an apocalyptic number.

1890130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1890130 is a deficient number, since it is larger than the sum of its proper divisors (1821614).

1890130 is a wasteful number, since it uses less digits than its factorization.

1890130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17201.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1890130 is about 1374.8199882166. The cubic root of 1890130 is about 123.6413936758.

The spelling of 1890130 in words is "one million, eight hundred ninety thousand, one hundred thirty".