916545 has 48 divisors (see below), whose sum is σ = 1805760. Its totient is φ = 395136.

The previous prime is 916537. The next prime is 916561. The reversal of 916545 is 545619.

It is not a de Polignac number, because 916545 - 2³ = 916537 is a prime.

916545 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21294 + ... + 21336.

It is an arithmetic number, because the mean of its divisors is an integer number (37620).

2⁹¹⁶⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

916545 is a deficient number, since it is larger than the sum of its proper divisors (889215).

916545 is a wasteful number, since it uses less digits than its factorization.

916545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 87 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 916545 is about 957.3635673035. The cubic root of 916545 is about 97.1369800984.

It can be divided in two parts, 91 and 6545, that multiplied together give a palindrome (595595).

The spelling of 916545 in words is "nine hundred sixteen thousand, five hundred forty-five".