33428597 has 8 divisors (see below), whose sum is σ = 33891000. Its totient is φ = 32969664.

The previous prime is 33428569. The next prime is 33428599. The reversal of 33428597 is 79582433.

It can be written as a sum of positive squares in 4 ways, for example, as 1234321 + 32194276 = 1111^2 + 5674^2 .

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 33428597 - 2¹⁸ = 33166453 is a prime.

It is a super-2 number, since 2×33428597² = 2234942194776818, 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 (33428599) 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, 22679 + ... + 24107.

It is an arithmetic number, because the mean of its divisors is an integer number (4236375).

Almost surely, 2^33428597 is an apocalyptic number.

It is an amenable number.

33428597 is a deficient number, since it is larger than the sum of its proper divisors (462403).

33428597 is a wasteful number, since it uses less digits than its factorization.

33428597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735.

The product of its digits is 181440, while the sum is 41.

The square root of 33428597 is about 5781.7468813500. The cubic root of 33428597 is about 322.1360901285.

The spelling of 33428597 in words is "thirty-three million, four hundred twenty-eight thousand, five hundred ninety-seven".