34491905 has 8 divisors (see below), whose sum is σ = 47303232. Its totient is φ = 23651568.

The previous prime is 34491893. The next prime is 34491911. The reversal of 34491905 is 50919443.

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 34491905 - 2⁴ = 34491889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 985483 = 34491905 / (3 + 4 + 4 + 9 + 1 + 9 + 0 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492707 + ... + 492776.

It is an arithmetic number, because the mean of its divisors is an integer number (5912904).

Almost surely, 2^34491905 is an apocalyptic number.

34491905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34491905 is a deficient number, since it is larger than the sum of its proper divisors (12811327).

34491905 is an equidigital number, since it uses as much as digits as its factorization.

34491905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985495.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 34491905 is about 5872.9809296472. The cubic root of 34491905 is about 325.5160401502.

The spelling of 34491905 in words is "thirty-four million, four hundred ninety-one thousand, nine hundred five".