28481486 has 16 divisors (see below), whose sum is σ = 46711728. Its totient is φ = 12916800.

The previous prime is 28481473. The next prime is 28481489. The reversal of 28481486 is 68418482.

It is a super-2 number, since 2×28481486² = 1622390089536392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28481489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10706 + ... + 13098.

It is an arithmetic number, because the mean of its divisors is an integer number (2919483).

Almost surely, 2^28481486 is an apocalyptic number.

28481486 is a deficient number, since it is larger than the sum of its proper divisors (18230242).

28481486 is a wasteful number, since it uses less digits than its factorization.

28481486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947.

The product of its digits is 98304, while the sum is 41.

The square root of 28481486 is about 5336.8048493457. The cubic root of 28481486 is about 305.3895801089.

It can be divided in two parts, 2848 and 1486, that added together give a palindrome (4334).

The spelling of 28481486 in words is "twenty-eight million, four hundred eighty-one thousand, four hundred eighty-six".