28292326 has 4 divisors (see below), whose sum is σ = 42438492. Its totient is φ = 14146162.

The previous prime is 28292321. The next prime is 28292333. The reversal of 28292326 is 62329282.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 28292291 and 28292300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28292321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7073080 + ... + 7073083.

It is an arithmetic number, because the mean of its divisors is an integer number (10609623).

Almost surely, 2^28292326 is an apocalyptic number.

28292326 is a deficient number, since it is larger than the sum of its proper divisors (14146166).

28292326 is a wasteful number, since it uses less digits than its factorization.

28292326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14146165.

The product of its digits is 20736, while the sum is 34.

The square root of 28292326 is about 5319.0531112220. The cubic root of 28292326 is about 304.7119954411.

The spelling of 28292326 in words is "twenty-eight million, two hundred ninety-two thousand, three hundred twenty-six".