28435069 has 8 divisors (see below), whose sum is σ = 30707712. Its totient is φ = 26174640.

The previous prime is 28435027. The next prime is 28435073. The reversal of 28435069 is 96053482.

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 28435069 - 2¹⁹ = 27910781 is a prime.

It is a super-2 number, since 2×28435069² = 1617106298069522, 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 (28435009) 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, 2124 + ... + 7834.

It is an arithmetic number, because the mean of its divisors is an integer number (3838464).

Almost surely, 2^28435069 is an apocalyptic number.

It is an amenable number.

28435069 is a deficient number, since it is larger than the sum of its proper divisors (2272643).

28435069 is a wasteful number, since it uses less digits than its factorization.

28435069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6107.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 28435069 is about 5332.4543129782. The cubic root of 28435069 is about 305.2235895221.

It can be divided in two parts, 284 and 35069, that added together give a palindrome (35353).

The spelling of 28435069 in words is "twenty-eight million, four hundred thirty-five thousand, sixty-nine".