34891157 has 16 divisors (see below), whose sum is σ = 42653952. Its totient is φ = 27859200.

The previous prime is 34891141. The next prime is 34891169. The reversal of 34891157 is 75119843.

It is a cyclic number.

It is not a de Polignac number, because 34891157 - 2⁴ = 34891141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34891157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34891177) 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, 10568 + ... + 13470.

It is an arithmetic number, because the mean of its divisors is an integer number (2665872).

Almost surely, 2^34891157 is an apocalyptic number.

It is an amenable number.

34891157 is a deficient number, since it is larger than the sum of its proper divisors (7762795).

34891157 is a wasteful number, since it uses less digits than its factorization.

34891157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028.

The product of its digits is 30240, while the sum is 38.

The square root of 34891157 is about 5906.8737078086. The cubic root of 34891157 is about 326.7672001876.

The spelling of 34891157 in words is "thirty-four million, eight hundred ninety-one thousand, one hundred fifty-seven".