34442991 has 24 divisors (see below), whose sum is σ = 57133440. Its totient is φ = 19774800.

The previous prime is 34442977. The next prime is 34442999. The reversal of 34442991 is 19924443.

It is not a de Polignac number, because 34442991 - 2⁵ = 34442959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34442999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7275 + ... + 11036.

It is an arithmetic number, because the mean of its divisors is an integer number (2380560).

Almost surely, 2^34442991 is an apocalyptic number.

34442991 is a deficient number, since it is larger than the sum of its proper divisors (22690449).

34442991 is a wasteful number, since it uses less digits than its factorization.

34442991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18347 (or 18344 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 34442991 is about 5868.8151274342. The cubic root of 34442991 is about 325.3620926838.

The spelling of 34442991 in words is "thirty-four million, four hundred forty-two thousand, nine hundred ninety-one".