28415101 has 16 divisors (see below), whose sum is σ = 33707520. Its totient is φ = 23613120.

The previous prime is 28415071. The next prime is 28415117. The reversal of 28415101 is 10151482.

It is a cyclic number.

It is not a de Polignac number, because 28415101 - 2¹¹ = 28413053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28415161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14676 + ... + 16498.

It is an arithmetic number, because the mean of its divisors is an integer number (2106720).

Almost surely, 2^28415101 is an apocalyptic number.

It is an amenable number.

28415101 is a deficient number, since it is larger than the sum of its proper divisors (5292419).

28415101 is a wasteful number, since it uses less digits than its factorization.

28415101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 28415101 is about 5330.5816755773. The cubic root of 28415101 is about 305.1521269229.

Adding to 28415101 its reverse (10151482), we get a palindrome (38566583).

The spelling of 28415101 in words is "twenty-eight million, four hundred fifteen thousand, one hundred one".