8040663 has 6 divisors (see below), whose sum is σ = 11614304. Its totient is φ = 5360436.

The previous prime is 8040661. The next prime is 8040671. The reversal of 8040663 is 3660408.

It is not a de Polignac number, because 8040663 - 2¹ = 8040661 is a prime.

It is a super-2 number, since 2×8040663² = 129304522959138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 446695 + ... + 446712.

Almost surely, 2^8040663 is an apocalyptic number.

8040663 is a deficient number, since it is larger than the sum of its proper divisors (3573641).

8040663 is a wasteful number, since it uses less digits than its factorization.

8040663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893413 (or 893410 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 8040663 is about 2835.6062843773. The cubic root of 8040663 is about 200.3382858242.

The spelling of 8040663 in words is "eight million, forty thousand, six hundred sixty-three".