28622049 has 8 divisors (see below), whose sum is σ = 38193312. Its totient is φ = 19066080.

The previous prime is 28622029. The next prime is 28622057. The reversal of 28622049 is 94022682.

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

It is not a de Polignac number, because 28622049 - 2⁸ = 28621793 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28622029) 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, 1677 + ... + 7749.

It is an arithmetic number, because the mean of its divisors is an integer number (4774164).

Almost surely, 2^28622049 is an apocalyptic number.

It is an amenable number.

28622049 is a deficient number, since it is larger than the sum of its proper divisors (9571263).

28622049 is a wasteful number, since it uses less digits than its factorization.

28622049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7647.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 28622049 is about 5349.9578503013. The cubic root of 28622049 is about 305.8911462963.

The spelling of 28622049 in words is "twenty-eight million, six hundred twenty-two thousand, forty-nine".