34815643 has 8 divisors (see below), whose sum is σ = 37279440. Its totient is φ = 32398080.

The previous prime is 34815607. The next prime is 34815661. The reversal of 34815643 is 34651843.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34815643 - 2¹⁷ = 34684571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34815599 and 34815608.

It is not an unprimeable number, because it can be changed into a prime (34815043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9993 + ... + 13018.

It is an arithmetic number, because the mean of its divisors is an integer number (4659930).

Almost surely, 2^34815643 is an apocalyptic number.

34815643 is a deficient number, since it is larger than the sum of its proper divisors (2463797).

34815643 is a wasteful number, since it uses less digits than its factorization.

34815643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23117.

The product of its digits is 34560, while the sum is 34.

The square root of 34815643 is about 5900.4782009596. The cubic root of 34815643 is about 326.5312920720.

The spelling of 34815643 in words is "thirty-four million, eight hundred fifteen thousand, six hundred forty-three".