4091064 has 32 divisors (see below), whose sum is σ = 10277520. Its totient is φ = 1357056.

The previous prime is 4091047. The next prime is 4091069. The reversal of 4091064 is 4601904.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091069) 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 7 ways as a sum of consecutive naturals, for example, 8724 + ... + 9180.

Almost surely, 2^4091064 is an apocalyptic number.

It is an amenable number.

4091064 is an abundant number, since it is smaller than the sum of its proper divisors (6186456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4091064 is a wasteful number, since it uses less digits than its factorization.

4091064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 4091064 is about 2022.6378815794. The cubic root of 4091064 is about 159.9357033322.

Adding to 4091064 its reverse (4601904), we get a palindrome (8692968).

The spelling of 4091064 in words is "four million, ninety-one thousand, sixty-four".