28634235 has 64 divisors (see below), whose sum is σ = 57016320. Its totient is φ = 11975040.

The previous prime is 28634219. The next prime is 28634251. The reversal of 28634235 is 53243682.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28634219) and next prime (28634251).

It is not a de Polignac number, because 28634235 - 2⁴ = 28634219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28634196 and 28634205.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61614 + ... + 62076.

It is an arithmetic number, because the mean of its divisors is an integer number (890880).

Almost surely, 2^28634235 is an apocalyptic number.

28634235 is a deficient number, since it is larger than the sum of its proper divisors (28382085).

28634235 is a wasteful number, since it uses less digits than its factorization.

28634235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528.

The product of its digits is 34560, while the sum is 33.

The square root of 28634235 is about 5351.0966165824. The cubic root of 28634235 is about 305.9345517680.

The spelling of 28634235 in words is "twenty-eight million, six hundred thirty-four thousand, two hundred thirty-five".