34143636 has 12 divisors (see below), whose sum is σ = 79668512. Its totient is φ = 11381208.

The previous prime is 34143631. The next prime is 34143673. The reversal of 34143636 is 63634143.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34143631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1422640 + ... + 1422663.

Almost surely, 2^34143636 is an apocalyptic number.

It is an amenable number.

34143636 is an abundant number, since it is smaller than the sum of its proper divisors (45524876).

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

34143636 is a wasteful number, since it uses less digits than its factorization.

34143636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845310 (or 2845308 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

The square root of 34143636 is about 5843.2555994069. The cubic root of 34143636 is about 324.4167400744.

Adding to 34143636 its reverse (63634143), we get a palindrome (97777779).

The spelling of 34143636 in words is "thirty-four million, one hundred forty-three thousand, six hundred thirty-six".