28413115 has 8 divisors (see below), whose sum is σ = 34345440. Its totient is φ = 22564032.

The previous prime is 28413109. The next prime is 28413181. The reversal of 28413115 is 51131482.

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

It is a cyclic number.

It is not a de Polignac number, because 28413115 - 2³ = 28413107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28413115.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20055 + ... + 21424.

It is an arithmetic number, because the mean of its divisors is an integer number (4293180).

Almost surely, 2^28413115 is an apocalyptic number.

28413115 is a deficient number, since it is larger than the sum of its proper divisors (5932325).

28413115 is a wasteful number, since it uses less digits than its factorization.

28413115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41621.

The product of its digits is 960, while the sum is 25.

The square root of 28413115 is about 5330.3953887118. The cubic root of 28413115 is about 305.1450174843.

Adding to 28413115 its reverse (51131482), we get a palindrome (79544597).

The spelling of 28413115 in words is "twenty-eight million, four hundred thirteen thousand, one hundred fifteen".