28435679 has 8 divisors (see below), whose sum is σ = 30168288. Its totient is φ = 26709760.

The previous prime is 28435661. The next prime is 28435691. The reversal of 28435679 is 97653482.

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 28435679 - 2¹⁶ = 28370143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28435639) 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, 9134 + ... + 11844.

It is an arithmetic number, because the mean of its divisors is an integer number (3771036).

Almost surely, 2^28435679 is an apocalyptic number.

28435679 is a deficient number, since it is larger than the sum of its proper divisors (1732609).

28435679 is a wasteful number, since it uses less digits than its factorization.

28435679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345.

The product of its digits is 362880, while the sum is 44.

The square root of 28435679 is about 5332.5115095985. The cubic root of 28435679 is about 305.2257720977.

The spelling of 28435679 in words is "twenty-eight million, four hundred thirty-five thousand, six hundred seventy-nine".