34257393 has 12 divisors (see below), whose sum is σ = 49994308. Its totient is φ = 22602240.

The previous prime is 34257389. The next prime is 34257401. The reversal of 34257393 is 39375243.

34257393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11675889 + 22581504 = 3417^2 + 4752^2 .

It is not a de Polignac number, because 34257393 - 2² = 34257389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34253393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18748 + ... + 20493.

Almost surely, 2^34257393 is an apocalyptic number.

It is an amenable number.

34257393 is a deficient number, since it is larger than the sum of its proper divisors (15736915).

34257393 is a wasteful number, since it uses less digits than its factorization.

34257393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39344 (or 39341 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 34257393 is about 5852.9815478951. The cubic root of 34257393 is about 324.7766291565.

The spelling of 34257393 in words is "thirty-four million, two hundred fifty-seven thousand, three hundred ninety-three".