34686663 has 16 divisors (see below), whose sum is σ = 50794752. Its totient is φ = 20880000.

The previous prime is 34686661. The next prime is 34686671. The reversal of 34686663 is 36668643.

34686663 = 177² + 178² + ... + 478².

It is not a de Polignac number, because 34686663 - 2¹ = 34686661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34686661) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1503 + ... + 8463.

It is an arithmetic number, because the mean of its divisors is an integer number (3174672).

Almost surely, 2^34686663 is an apocalyptic number.

34686663 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

34686663 is a deficient number, since it is larger than the sum of its proper divisors (16108089).

34686663 is a wasteful number, since it uses less digits than its factorization.

34686663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7126.

The product of its digits is 373248, while the sum is 42.

The square root of 34686663 is about 5889.5384369236. The cubic root of 34686663 is about 326.1275643396.

The spelling of 34686663 in words is "thirty-four million, six hundred eighty-six thousand, six hundred sixty-three".