34789661 has 4 divisors (see below), whose sum is σ = 34805052. Its totient is φ = 34774272.

The previous prime is 34789631. The next prime is 34789669. The reversal of 34789661 is 16698743.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18232900 + 16556761 = 4270^2 + 4069^2 .

It is a cyclic number.

It is not a de Polignac number, because 34789661 - 2⁶ = 34789597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34789669) 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, 3566 + ... + 9071.

It is an arithmetic number, because the mean of its divisors is an integer number (8701263).

Almost surely, 2^34789661 is an apocalyptic number.

It is an amenable number.

34789661 is a deficient number, since it is larger than the sum of its proper divisors (15391).

34789661 is a wasteful number, since it uses less digits than its factorization.

34789661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15390.

The product of its digits is 217728, while the sum is 44.

The square root of 34789661 is about 5898.2761040833. The cubic root of 34789661 is about 326.4500446152.

The spelling of 34789661 in words is "thirty-four million, seven hundred eighty-nine thousand, six hundred sixty-one".