28353672 has 32 divisors (see below), whose sum is σ = 78760800. Its totient is φ = 9451152.

The previous prime is 28353667. The next prime is 28353697. The reversal of 28353672 is 27635382.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65418 + ... + 65849.

It is an arithmetic number, because the mean of its divisors is an integer number (2461275).

Almost surely, 2^28353672 is an apocalyptic number.

It is an amenable number.

28353672 is an abundant number, since it is smaller than the sum of its proper divisors (50407128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28353672 is a wasteful number, since it uses less digits than its factorization.

28353672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131282 (or 131272 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 28353672 is about 5324.8166165606. The cubic root of 28353672 is about 304.9320712289.

The spelling of 28353672 in words is "twenty-eight million, three hundred fifty-three thousand, six hundred seventy-two".