28480562 has 8 divisors (see below), whose sum is σ = 46604592. Its totient is φ = 12945700.

The previous prime is 28480553. The next prime is 28480567. The reversal of 28480562 is 26508482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28480562² = 1622284823671688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28480567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647264 + ... + 647307.

It is an arithmetic number, because the mean of its divisors is an integer number (5825574).

Almost surely, 2^28480562 is an apocalyptic number.

28480562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28480562 is a deficient number, since it is larger than the sum of its proper divisors (18124030).

28480562 is a wasteful number, since it uses less digits than its factorization.

28480562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294584.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 28480562 is about 5336.7182799919. The cubic root of 28480562 is about 305.3862775773.

The spelling of 28480562 in words is "twenty-eight million, four hundred eighty thousand, five hundred sixty-two".