1912266 has 48 divisors (see below), whose sum is σ = 4492800. Its totient is φ = 586080.

The previous prime is 1912259. The next prime is 1912277. The reversal of 1912266 is 6622191.

It is a super-2 number, since 2×1912266² = 7313522509512, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12760 + ... + 12908.

It is an arithmetic number, because the mean of its divisors is an integer number (93600).

2^1912266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1912266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2246400).

1912266 is an abundant number, since it is smaller than the sum of its proper divisors (2580534).

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

1912266 is a wasteful number, since it uses less digits than its factorization.

1912266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 208 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1912266 is about 1382.8470631274. The cubic root of 1912266 is about 124.1221913793.

The spelling of 1912266 in words is "one million, nine hundred twelve thousand, two hundred sixty-six".