34445993 has 4 divisors (see below), whose sum is σ = 36258960. Its totient is φ = 32633028.

The previous prime is 34445989. The next prime is 34446023. The reversal of 34445993 is 39954443.

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: 39954443 = 31 ⋅1288853.

It is a cyclic number.

It is not a de Polignac number, because 34445993 - 2² = 34445989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34445993.

It is not an unprimeable number, because it can be changed into a prime (34445923) 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, 906455 + ... + 906492.

It is an arithmetic number, because the mean of its divisors is an integer number (9064740).

Almost surely, 2^34445993 is an apocalyptic number.

It is an amenable number.

34445993 is a deficient number, since it is larger than the sum of its proper divisors (1812967).

34445993 is a wasteful number, since it uses less digits than its factorization.

34445993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812966.

The product of its digits is 233280, while the sum is 41.

The square root of 34445993 is about 5869.0708804716. The cubic root of 34445993 is about 325.3715451017.

The spelling of 34445993 in words is "thirty-four million, four hundred forty-five thousand, nine hundred ninety-three".