1914791 has 2 divisors, whose sum is σ = 1914792. Its totient is φ = 1914790.

The previous prime is 1914769. The next prime is 1914811. The reversal of 1914791 is 1974191.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1914791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1914751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957395 + 957396.

It is an arithmetic number, because the mean of its divisors is an integer number (957396).

2^1914791 is an apocalyptic number.

1914791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1914791 is an equidigital number, since it uses as much as digits as its factorization.

1914791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 32.

The square root of 1914791 is about 1383.7597334798. The cubic root of 1914791 is about 124.1767986167.

The spelling of 1914791 in words is "one million, nine hundred fourteen thousand, seven hundred ninety-one".