34195981 has 4 divisors (see below), whose sum is σ = 34387200. Its totient is φ = 34004764.

The previous prime is 34195979. The next prime is 34195999. The reversal of 34195981 is 18959143.

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.

It is a cyclic number.

It is not a de Polignac number, because 34195981 - 2¹ = 34195979 is a prime.

It is a super-2 number, since 2×34195981² = 2338730233104722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34195951) 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, 95341 + ... + 95698.

It is an arithmetic number, because the mean of its divisors is an integer number (8596800).

Almost surely, 2^34195981 is an apocalyptic number.

It is an amenable number.

34195981 is a deficient number, since it is larger than the sum of its proper divisors (191219).

34195981 is a wasteful number, since it uses less digits than its factorization.

34195981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191218.

The product of its digits is 38880, while the sum is 40.

The square root of 34195981 is about 5847.7329795400. The cubic root of 34195981 is about 324.5824412667.

The spelling of 34195981 in words is "thirty-four million, one hundred ninety-five thousand, nine hundred eighty-one".