1914947 has 2 divisors, whose sum is σ = 1914948. Its totient is φ = 1914946.

The previous prime is 1914923. The next prime is 1914949. The reversal of 1914947 is 7494191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1914947 - 2⁶ = 1914883 is a prime.

Together with 1914949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1914949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957473 + 957474.

It is an arithmetic number, because the mean of its divisors is an integer number (957474).

2^1914947 is an apocalyptic number.

1914947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1914947 is an equidigital number, since it uses as much as digits as its factorization.

1914947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 1914947 is about 1383.8161004989. The cubic root of 1914947 is about 124.1801707958.

The spelling of 1914947 in words is "one million, nine hundred fourteen thousand, nine hundred forty-seven".