34439157 has 6 divisors (see below), whose sum is σ = 49745462. Its totient is φ = 22959432.

The previous prime is 34439149. The next prime is 34439159. The reversal of 34439157 is 75193443.

It can be written as a sum of positive squares in only one way, i.e., 18326961 + 16112196 = 4281^2 + 4014^2 .

It is not a de Polignac number, because 34439157 - 2³ = 34439149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34439159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1913278 + ... + 1913295.

Almost surely, 2^34439157 is an apocalyptic number.

It is an amenable number.

34439157 is a deficient number, since it is larger than the sum of its proper divisors (15306305).

34439157 is a wasteful number, since it uses less digits than its factorization.

34439157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826579 (or 3826576 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 34439157 is about 5868.4884766011. The cubic root of 34439157 is about 325.3500197433.

It can be divided in two parts, 34439 and 157, that added together give a square (34596 = 186²).

The spelling of 34439157 in words is "thirty-four million, four hundred thirty-nine thousand, one hundred fifty-seven".