28622048 has 48 divisors (see below), whose sum is σ = 69360480. Its totient is φ = 11321856.

The previous prime is 28622029. The next prime is 28622057. The reversal of 28622048 is 84022682.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2003 + ... + 7826.

It is an arithmetic number, because the mean of its divisors is an integer number (1445010).

Almost surely, 2^28622048 is an apocalyptic number.

28622048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28622048 is an abundant number, since it is smaller than the sum of its proper divisors (40738432).

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

28622048 is a wasteful number, since it uses less digits than its factorization.

28622048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9859 (or 9851 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 28622048 is about 5349.9577568426. The cubic root of 28622048 is about 305.8911427338.

The spelling of 28622048 in words is "twenty-eight million, six hundred twenty-two thousand, forty-eight".