9078081 has 16 divisors (see below), whose sum is σ = 12439680. Its totient is φ = 5886720.

The previous prime is 9078059. The next prime is 9078109. The reversal of 9078081 is 1808709.

9078081 = 210² + 211² + ... + 331².

It is not a de Polignac number, because 9078081 - 2¹¹ = 9076033 is a prime.

It is a super-2 number, since 2×9078081² = 164823109285122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9078281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20460 + ... + 20898.

It is an arithmetic number, because the mean of its divisors is an integer number (777480).

Almost surely, 2^9078081 is an apocalyptic number.

It is an amenable number.

9078081 is a deficient number, since it is larger than the sum of its proper divisors (3361599).

9078081 is a wasteful number, since it uses less digits than its factorization.

9078081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 9078081 is about 3012.9853965793. The cubic root of 9078081 is about 208.6081881925.

The spelling of 9078081 in words is "nine million, seventy-eight thousand, eighty-one".