1890134 has 8 divisors (see below), whose sum is σ = 2842560. Its totient is φ = 942616.

The previous prime is 1890121. The next prime is 1890149. The reversal of 1890134 is 4310981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29 + ... + 1944.

It is an arithmetic number, because the mean of its divisors is an integer number (355320).

2^1890134 is an apocalyptic number.

1890134 is a deficient number, since it is larger than the sum of its proper divisors (952426).

1890134 is a wasteful number, since it uses less digits than its factorization.

1890134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1890134 is about 1374.8214429518. The cubic root of 1890134 is about 123.6414808947.

The spelling of 1890134 in words is "one million, eight hundred ninety thousand, one hundred thirty-four".