34689157 has 8 divisors (see below), whose sum is σ = 35891352. Its totient is φ = 33504000.

The previous prime is 34689143. The next prime is 34689181. The reversal of 34689157 is 75198643.

It can be written as a sum of positive squares in 4 ways, for example, as 1442401 + 33246756 = 1201^2 + 5766^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 34689157 - 2⁷ = 34689029 is a prime.

It is a super-2 number, since 2×34689157² = 2406675226741298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34680157) 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, 48 + ... + 8329.

It is an arithmetic number, because the mean of its divisors is an integer number (4486419).

Almost surely, 2^34689157 is an apocalyptic number.

It is an amenable number.

34689157 is a deficient number, since it is larger than the sum of its proper divisors (1202195).

34689157 is a wasteful number, since it uses less digits than its factorization.

34689157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8519.

The product of its digits is 181440, while the sum is 43.

The square root of 34689157 is about 5889.7501644807. The cubic root of 34689157 is about 326.1353804336.

The spelling of 34689157 in words is "thirty-four million, six hundred eighty-nine thousand, one hundred fifty-seven".