34638091 has 4 divisors (see below), whose sum is σ = 35443672. Its totient is φ = 33832512.

The previous prime is 34638077. The next prime is 34638101. The reversal of 34638091 is 19083643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19083643 = 2659 ⋅7177.

It is a cyclic number.

It is not a de Polignac number, because 34638091 - 2⁵ = 34638059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34638001) 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, 402726 + ... + 402811.

It is an arithmetic number, because the mean of its divisors is an integer number (8860918).

Almost surely, 2^34638091 is an apocalyptic number.

34638091 is a deficient number, since it is larger than the sum of its proper divisors (805581).

34638091 is an equidigital number, since it uses as much as digits as its factorization.

34638091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805580.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 34638091 is about 5885.4134094386. The cubic root of 34638091 is about 325.9752669206.

The spelling of 34638091 in words is "thirty-four million, six hundred thirty-eight thousand, ninety-one".