1914769 has 2 divisors, whose sum is σ = 1914770. Its totient is φ = 1914768.

The previous prime is 1914767. The next prime is 1914791. The reversal of 1914769 is 9674191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 731025 = 1088^2 + 855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1914769 - 2¹ = 1914767 is a prime.

It is a super-2 number, since 2×1914769² = 7332680646722, which contains 22 as substring.

Together with 1914767, it forms a pair of twin primes.

1914769 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1914767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957384 + 957385.

It is an arithmetic number, because the mean of its divisors is an integer number (957385).

2^1914769 is an apocalyptic number.

It is an amenable number.

1914769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1914769 is an equidigital number, since it uses as much as digits as its factorization.

1914769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 37.

The square root of 1914769 is about 1383.7517841000. The cubic root of 1914769 is about 124.1763230382.

The spelling of 1914769 in words is "one million, nine hundred fourteen thousand, seven hundred sixty-nine".