34211993 has 8 divisors (see below), whose sum is σ = 34671048. Its totient is φ = 33755904.

The previous prime is 34211987. The next prime is 34212011. The reversal of 34211993 is 39911243.

It can be written as a sum of positive squares in 4 ways, for example, as 1630729 + 32581264 = 1277^2 + 5708^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34211993 - 2¹² = 34207897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34211923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30755 + ... + 31847.

It is an arithmetic number, because the mean of its divisors is an integer number (4333881).

Almost surely, 2^34211993 is an apocalyptic number.

It is an amenable number.

34211993 is a deficient number, since it is larger than the sum of its proper divisors (459055).

34211993 is a wasteful number, since it uses less digits than its factorization.

34211993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483.

The product of its digits is 5832, while the sum is 32.

The square root of 34211993 is about 5849.1018968727. The cubic root of 34211993 is about 324.6330944227.

The spelling of 34211993 in words is "thirty-four million, two hundred eleven thousand, nine hundred ninety-three".