34845391 has 8 divisors (see below), whose sum is σ = 41554944. Its totient is φ = 28568760.

The previous prime is 34845389. The next prime is 34845397. The reversal of 34845391 is 19354843.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34845391 - 2¹ = 34845389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34845391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34845397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108055 + ... + 108376.

It is an arithmetic number, because the mean of its divisors is an integer number (5194368).

Almost surely, 2^34845391 is an apocalyptic number.

34845391 is a deficient number, since it is larger than the sum of its proper divisors (6709553).

34845391 is a wasteful number, since it uses less digits than its factorization.

34845391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216461.

The product of its digits is 51840, while the sum is 37.

The square root of 34845391 is about 5902.9984753513. The cubic root of 34845391 is about 326.6242664437.

The spelling of 34845391 in words is "thirty-four million, eight hundred forty-five thousand, three hundred ninety-one".