34128297 has 40 divisors (see below), whose sum is σ = 60821376. Its totient is φ = 18646848.

The previous prime is 34128239. The next prime is 34128317. The reversal of 34128297 is 79282143.

34128297 is a `hidden beast` number, since 341 + 28 + 297 = 666.

It is not a de Polignac number, because 34128297 - 2⁶ = 34128233 is a prime.

It is a super-2 number, since 2×34128297² = 2329481312240418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34128217) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11733 + ... + 14349.

Almost surely, 2^34128297 is an apocalyptic number.

It is an amenable number.

34128297 is a deficient number, since it is larger than the sum of its proper divisors (26693079).

34128297 is a wasteful number, since it uses less digits than its factorization.

34128297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659 (or 2650 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 34128297 is about 5841.9429131069. The cubic root of 34128297 is about 324.3681514809.

The spelling of 34128297 in words is "thirty-four million, one hundred twenty-eight thousand, two hundred ninety-seven".