34320961 has 4 divisors (see below), whose sum is σ = 34401024. Its totient is φ = 34240900.

The previous prime is 34320953. The next prime is 34320971. The reversal of 34320961 is 16902343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16902343 = 19 ⋅889597.

It is a cyclic number.

It is not a de Polignac number, because 34320961 - 2³ = 34320953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34320931) 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, 39385 + ... + 40246.

It is an arithmetic number, because the mean of its divisors is an integer number (8600256).

Almost surely, 2^34320961 is an apocalyptic number.

It is an amenable number.

34320961 is a deficient number, since it is larger than the sum of its proper divisors (80063).

34320961 is an equidigital number, since it uses as much as digits as its factorization.

34320961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80062.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 34320961 is about 5858.4094257742. The cubic root of 34320961 is about 324.9773901431.

The spelling of 34320961 in words is "thirty-four million, three hundred twenty thousand, nine hundred sixty-one".