28015926 has 8 divisors (see below), whose sum is σ = 56031864. Its totient is φ = 9338640.

The previous prime is 28015921. The next prime is 28015927. The reversal of 28015926 is 62951082.

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

28015926 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28015921) 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, 2334655 + ... + 2334666.

It is an arithmetic number, because the mean of its divisors is an integer number (7003983).

Almost surely, 2^28015926 is an apocalyptic number.

28015926 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.

28015926 is a wasteful number, since it uses less digits than its factorization.

28015926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669326.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 28015926 is about 5293.0072737528. The cubic root of 28015926 is about 303.7164585565.

The spelling of 28015926 in words is "twenty-eight million, fifteen thousand, nine hundred twenty-six".