28433542 has 8 divisors (see below), whose sum is σ = 43129800. Its totient is φ = 14056944.

The previous prime is 28433539. The next prime is 28433549. The reversal of 28433542 is 24533482.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28433549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79692 + ... + 80047.

It is an arithmetic number, because the mean of its divisors is an integer number (5391225).

Almost surely, 2^28433542 is an apocalyptic number.

28433542 is a deficient number, since it is larger than the sum of its proper divisors (14696258).

28433542 is a wasteful number, since it uses less digits than its factorization.

28433542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159830.

The product of its digits is 23040, while the sum is 31.

The square root of 28433542 is about 5332.3111312076. The cubic root of 28433542 is about 305.2181257904.

The spelling of 28433542 in words is "twenty-eight million, four hundred thirty-three thousand, five hundred forty-two".