28867926 has 8 divisors (see below), whose sum is σ = 57735864. Its totient is φ = 9622640.

The previous prime is 28867903. The next prime is 28867939. The reversal of 28867926 is 62976882.

It is a happy number.

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

28867926 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405655 + ... + 2405666.

It is an arithmetic number, because the mean of its divisors is an integer number (7216983).

Almost surely, 2^28867926 is an apocalyptic number.

28867926 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28867926 is a wasteful number, since it uses less digits than its factorization.

28867926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811326.

The product of its digits is 580608, while the sum is 48.

The square root of 28867926 is about 5372.8880502017. Note that the first 3 decimals coincide. The cubic root of 28867926 is about 306.7645667792.

The spelling of 28867926 in words is "twenty-eight million, eight hundred sixty-seven thousand, nine hundred twenty-six".