34945287 has 16 divisors (see below), whose sum is σ = 51031680. Its totient is φ = 21138912.

The previous prime is 34945249. The next prime is 34945289. The reversal of 34945287 is 78254943.

It is not a de Polignac number, because 34945287 - 2⁶ = 34945223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34945289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5293 + ... + 9894.

It is an arithmetic number, because the mean of its divisors is an integer number (3189480).

Almost surely, 2^34945287 is an apocalyptic number.

34945287 is a deficient number, since it is larger than the sum of its proper divisors (16086393).

34945287 is a wasteful number, since it uses less digits than its factorization.

34945287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15262.

The product of its digits is 241920, while the sum is 42.

The square root of 34945287 is about 5911.4538820835. The cubic root of 34945287 is about 326.9360946484.

The spelling of 34945287 in words is "thirty-four million, nine hundred forty-five thousand, two hundred eighty-seven".