28626099 has 8 divisors (see below), whose sum is σ = 39827712. Its totient is φ = 18254280.

The previous prime is 28626097. The next prime is 28626107. The reversal of 28626099 is 99062682.

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

It is not a de Polignac number, because 28626099 - 2¹ = 28626097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28626099.

It is not an unprimeable number, because it can be changed into a prime (28626097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207367 + ... + 207504.

It is an arithmetic number, because the mean of its divisors is an integer number (4978464).

Almost surely, 2^28626099 is an apocalyptic number.

28626099 is a deficient number, since it is larger than the sum of its proper divisors (11201613).

28626099 is a wasteful number, since it uses less digits than its factorization.

28626099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414897.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 28626099 is about 5350.3363445675. The cubic root of 28626099 is about 305.9055734105.

The spelling of 28626099 in words is "twenty-eight million, six hundred twenty-six thousand, ninety-nine".