1911196 has 30 divisors (see below), whose sum is σ = 3921400. Its totient is φ = 814968.

The previous prime is 1911167. The next prime is 1911199. The reversal of 1911196 is 6911191.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1911199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9505 + ... + 9703.

2^1911196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1911196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960700).

1911196 is an abundant number, since it is smaller than the sum of its proper divisors (2010204).

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

1911196 is an equidigital number, since it uses as much as digits as its factorization.

1911196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 208 counting only the distinct ones).

The product of its digits is 486, while the sum is 28.

The square root of 1911196 is about 1382.4601260073. The cubic root of 1911196 is about 124.0990363852.

The spelling of 1911196 in words is "one million, nine hundred eleven thousand, one hundred ninety-six".