34928991 has 6 divisors (see below), whose sum is σ = 50453000. Its totient is φ = 23285988.

The previous prime is 34928989. The next prime is 34929031. The reversal of 34928991 is 19982943.

34928991 = T₁₅₉₅ + T₁₅₉₆ + ... + T₁₆₂₁.

It is not a de Polignac number, because 34928991 - 2¹ = 34928989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34928911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1940491 + ... + 1940508.

Almost surely, 2^34928991 is an apocalyptic number.

34928991 is a deficient number, since it is larger than the sum of its proper divisors (15524009).

34928991 is a wasteful number, since it uses less digits than its factorization.

34928991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881005 (or 3881002 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 34928991 is about 5910.0753802299. The cubic root of 34928991 is about 326.8852668217.

The spelling of 34928991 in words is "thirty-four million, nine hundred twenty-eight thousand, nine hundred ninety-one".