1890266 has 8 divisors (see below), whose sum is σ = 3240480. Its totient is φ = 810108.

The previous prime is 1890257. The next prime is 1890269. The reversal of 1890266 is 6620981.

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

It is not an unprimeable number, because it can be changed into a prime (1890269) 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, 67496 + ... + 67523.

It is an arithmetic number, because the mean of its divisors is an integer number (405060).

2^1890266 is an apocalyptic number.

1890266 is a deficient number, since it is larger than the sum of its proper divisors (1350214).

1890266 is a wasteful number, since it uses less digits than its factorization.

1890266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135028.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1890266 is about 1374.8694483477. The cubic root of 1890266 is about 123.6443590496.

The spelling of 1890266 in words is "one million, eight hundred ninety thousand, two hundred sixty-six".