28483879 has 4 divisors (see below), whose sum is σ = 28498176. Its totient is φ = 28469584.

The previous prime is 28483877. The next prime is 28483901. The reversal of 28483879 is 97838482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28483879 - 2¹ = 28483877 is a prime.

It is a super-2 number, since 2×28483879² = 1622662725773282, 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 (28483877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3559 + ... + 8344.

It is an arithmetic number, because the mean of its divisors is an integer number (7124544).

Almost surely, 2^28483879 is an apocalyptic number.

28483879 is a deficient number, since it is larger than the sum of its proper divisors (14297).

28483879 is a wasteful number, since it uses less digits than its factorization.

28483879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14296.

The product of its digits is 774144, while the sum is 49.

The square root of 28483879 is about 5337.0290424542. The cubic root of 28483879 is about 305.3981327619.

The spelling of 28483879 in words is "twenty-eight million, four hundred eighty-three thousand, eight hundred seventy-nine".