1911214 has 4 divisors (see below), whose sum is σ = 2866824. Its totient is φ = 955606.

The previous prime is 1911211. The next prime is 1911227. The reversal of 1911214 is 4121191.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1911191 and 1911200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1911211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477802 + ... + 477805.

It is an arithmetic number, because the mean of its divisors is an integer number (716706).

2^1911214 is an apocalyptic number.

1911214 is a deficient number, since it is larger than the sum of its proper divisors (955610).

1911214 is an equidigital number, since it uses as much as digits as its factorization.

1911214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955609.

The product of its digits is 72, while the sum is 19.

The square root of 1911214 is about 1382.4666361254. The cubic root of 1911214 is about 124.0994259799.

The spelling of 1911214 in words is "one million, nine hundred eleven thousand, two hundred fourteen".