34644661 has 2 divisors, whose sum is σ = 34644662. Its totient is φ = 34644660.

The previous prime is 34644641. The next prime is 34644671. The reversal of 34644661 is 16644643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22982436 + 11662225 = 4794^2 + 3415^2 .

It is a cyclic number.

It is not a de Polignac number, because 34644661 - 2⁵ = 34644629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34644641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17322330 + 17322331.

It is an arithmetic number, because the mean of its divisors is an integer number (17322331).

Almost surely, 2^34644661 is an apocalyptic number.

It is an amenable number.

34644661 is a deficient number, since it is larger than the sum of its proper divisors (1).

34644661 is an equidigital number, since it uses as much as digits as its factorization.

34644661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 34644661 is about 5885.9715425748. The cubic root of 34644661 is about 325.9958754669.

The spelling of 34644661 in words is "thirty-four million, six hundred forty-four thousand, six hundred sixty-one".