28876822 has 32 divisors (see below), whose sum is σ = 49851648. Its totient is φ = 12440736.

The previous prime is 28876819. The next prime is 28876823. The reversal of 28876822 is 22867882.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28876823) 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, 25153 + ... + 26275.

It is an arithmetic number, because the mean of its divisors is an integer number (1557864).

Almost surely, 2^28876822 is an apocalyptic number.

28876822 is a deficient number, since it is larger than the sum of its proper divisors (20974826).

28876822 is a wasteful number, since it uses less digits than its factorization.

28876822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204.

The product of its digits is 172032, while the sum is 43.

The square root of 28876822 is about 5373.7158466000. The cubic root of 28876822 is about 306.7960746115.

The spelling of 28876822 in words is "twenty-eight million, eight hundred seventy-six thousand, eight hundred twenty-two".