28430135 has 8 divisors (see below), whose sum is σ = 34288800. Its totient is φ = 22629024.

The previous prime is 28430123. The next prime is 28430141. The reversal of 28430135 is 53103482.

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 28430135 - 2⁴ = 28430119 is a prime.

It is a super-2 number, since 2×28430135² = 1616545152236450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13292 + ... + 15281.

It is an arithmetic number, because the mean of its divisors is an integer number (4286100).

Almost surely, 2^28430135 is an apocalyptic number.

28430135 is a deficient number, since it is larger than the sum of its proper divisors (5858665).

28430135 is a wasteful number, since it uses less digits than its factorization.

28430135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28777.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 28430135 is about 5331.9916541570. The cubic root of 28430135 is about 305.2059345588.

The spelling of 28430135 in words is "twenty-eight million, four hundred thirty thousand, one hundred thirty-five".