28624049 has 8 divisors (see below), whose sum is σ = 28920192. Its totient is φ = 28329840.

The previous prime is 28624033. The next prime is 28624087. The reversal of 28624049 is 94042682.

28624049 is nontrivially palindromic in base 16.

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 28624049 - 2⁴ = 28624033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28624649) 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, 61592 + ... + 62054.

It is an arithmetic number, because the mean of its divisors is an integer number (3615024).

Almost surely, 2^28624049 is an apocalyptic number.

It is an amenable number.

28624049 is a deficient number, since it is larger than the sum of its proper divisors (296143).

28624049 is a wasteful number, since it uses less digits than its factorization.

28624049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 28624049 is about 5350.1447643966. The cubic root of 28624049 is about 305.8982709672.

The spelling of 28624049 in words is "twenty-eight million, six hundred twenty-four thousand, forty-nine".