914645 has 4 divisors (see below), whose sum is σ = 1097580. Its totient is φ = 731712.

The previous prime is 914629. The next prime is 914647. The reversal of 914645 is 546419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546419 = 577 ⋅947.

It can be written as a sum of positive squares in 2 ways, for example, as 643204 + 271441 = 802^2 + 521^2 .

It is a cyclic number.

It is not a de Polignac number, because 914645 - 2⁴ = 914629 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 914645.

It is not an unprimeable number, because it can be changed into a prime (914647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91460 + ... + 91469.

It is an arithmetic number, because the mean of its divisors is an integer number (274395).

2⁹¹⁴⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

914645 is a deficient number, since it is larger than the sum of its proper divisors (182935).

914645 is a wasteful number, since it uses less digits than its factorization.

914645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182934.

The product of its digits is 4320, while the sum is 29.

The square root of 914645 is about 956.3707440109. The cubic root of 914645 is about 97.0698119322.

The spelling of 914645 in words is "nine hundred fourteen thousand, six hundred forty-five".