28482426 has 72 divisors (see below), whose sum is σ = 73554624. Its totient is φ = 7938000.

The previous prime is 28482409. The next prime is 28482439. The reversal of 28482426 is 62428482.

It is a happy number.

It is a super-2 number, since 2×28482426² = 1622497181690952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37551 + ... + 38301.

It is an arithmetic number, because the mean of its divisors is an integer number (1021592).

Almost surely, 2^28482426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28482426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36777312).

28482426 is an abundant number, since it is smaller than the sum of its proper divisors (45072198).

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

28482426 is a wasteful number, since it uses less digits than its factorization.

28482426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 806 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 28482426 is about 5336.8929162950. The cubic root of 28482426 is about 305.3929397539.

The spelling of 28482426 in words is "twenty-eight million, four hundred eighty-two thousand, four hundred twenty-six".