28435442 has 8 divisors (see below), whose sum is σ = 48746496. Its totient is φ = 12186612.

The previous prime is 28435417. The next prime is 28435447. The reversal of 28435442 is 24453482.

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 = 28435399 and 28435408.

It is not an unprimeable number, because it can be changed into a prime (28435447) 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, 1015538 + ... + 1015565.

It is an arithmetic number, because the mean of its divisors is an integer number (6093312).

Almost surely, 2^28435442 is an apocalyptic number.

28435442 is a deficient number, since it is larger than the sum of its proper divisors (20311054).

28435442 is a wasteful number, since it uses less digits than its factorization.

28435442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031112.

The product of its digits is 30720, while the sum is 32.

The square root of 28435442 is about 5332.4892873779. The cubic root of 28435442 is about 305.2249241171.

The spelling of 28435442 in words is "twenty-eight million, four hundred thirty-five thousand, four hundred forty-two".