28593942 has 32 divisors (see below), whose sum is σ = 63715680. Its totient is φ = 8494080.

The previous prime is 28593889. The next prime is 28593947. The reversal of 28593942 is 24939582.

It is a super-2 number, since 2×28593942² = 1635227038198728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28593894 and 28593903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28593947) 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 15 ways as a sum of consecutive naturals, for example, 4059 + ... + 8582.

It is an arithmetic number, because the mean of its divisors is an integer number (1991115).

Almost surely, 2^28593942 is an apocalyptic number.

28593942 is an abundant number, since it is smaller than the sum of its proper divisors (35121738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28593942 is a wasteful number, since it uses less digits than its factorization.

28593942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12688.

The product of its digits is 155520, while the sum is 42.

The square root of 28593942 is about 5347.3303619657. The cubic root of 28593942 is about 305.7909846073.

The spelling of 28593942 in words is "twenty-eight million, five hundred ninety-three thousand, nine hundred forty-two".