28469942 has 8 divisors (see below), whose sum is σ = 44952600. Its totient is φ = 13485744.

The previous prime is 28469939. The next prime is 28469953. The reversal of 28469942 is 24996482.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28469893 and 28469902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374567 + ... + 374642.

It is an arithmetic number, because the mean of its divisors is an integer number (5619075).

Almost surely, 2^28469942 is an apocalyptic number.

28469942 is a deficient number, since it is larger than the sum of its proper divisors (16482658).

28469942 is a wasteful number, since it uses less digits than its factorization.

28469942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749230.

The product of its digits is 248832, while the sum is 44.

The square root of 28469942 is about 5335.7231937199. The cubic root of 28469942 is about 305.3483147793.

The spelling of 28469942 in words is "twenty-eight million, four hundred sixty-nine thousand, nine hundred forty-two".