28922652 has 36 divisors (see below), whose sum is σ = 79757496. Its totient is φ = 8764320.

The previous prime is 28922639. The next prime is 28922653. The reversal of 28922652 is 25622982.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28922653) 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 11 ways as a sum of consecutive naturals, for example, 36123 + ... + 36914.

It is an arithmetic number, because the mean of its divisors is an integer number (2215486).

Almost surely, 2^28922652 is an apocalyptic number.

28922652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28922652 is an abundant number, since it is smaller than the sum of its proper divisors (50834844).

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

28922652 is a wasteful number, since it uses less digits than its factorization.

28922652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73058 (or 73053 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 28922652 is about 5377.9784306001. The cubic root of 28922652 is about 306.9582927423.

The spelling of 28922652 in words is "twenty-eight million, nine hundred twenty-two thousand, six hundred fifty-two".