28315934 has 8 divisors (see below), whose sum is σ = 42499080. Its totient is φ = 14149576.

The previous prime is 28315933. The next prime is 28315957. The reversal of 28315934 is 43951382.

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 = 28315894 and 28315903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28315933) 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, 1652 + ... + 7704.

It is an arithmetic number, because the mean of its divisors is an integer number (5312385).

Almost surely, 2^28315934 is an apocalyptic number.

28315934 is a deficient number, since it is larger than the sum of its proper divisors (14183146).

28315934 is a wasteful number, since it uses less digits than its factorization.

28315934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8394.

The product of its digits is 25920, while the sum is 35.

The square root of 28315934 is about 5321.2718404532. The cubic root of 28315934 is about 304.7967256120.

The spelling of 28315934 in words is "twenty-eight million, three hundred fifteen thousand, nine hundred thirty-four".