28496413 has 4 divisors (see below), whose sum is σ = 31087008. Its totient is φ = 25905820.

The previous prime is 28496407. The next prime is 28496423. The reversal of 28496413 is 31469482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28496413 - 2⁵ = 28496381 is a prime.

It is a super-3 number, since 3×28496413³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28496423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295281 + ... + 1295302.

It is an arithmetic number, because the mean of its divisors is an integer number (7771752).

Almost surely, 2^28496413 is an apocalyptic number.

It is an amenable number.

28496413 is a deficient number, since it is larger than the sum of its proper divisors (2590595).

28496413 is a wasteful number, since it uses less digits than its factorization.

28496413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590594.

The product of its digits is 41472, while the sum is 37.

The square root of 28496413 is about 5338.2031621136. The cubic root of 28496413 is about 305.4429218262.

The spelling of 28496413 in words is "twenty-eight million, four hundred ninety-six thousand, four hundred thirteen".