28480632 has 16 divisors (see below), whose sum is σ = 71201640. Its totient is φ = 9493536.

The previous prime is 28480619. The next prime is 28480651. The reversal of 28480632 is 23608482.

It is a super-2 number, since 2×28480632² = 1622292798238848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28480593 and 28480602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593323 + ... + 593370.

Almost surely, 2^28480632 is an apocalyptic number.

It is an amenable number.

28480632 is an abundant number, since it is smaller than the sum of its proper divisors (42721008).

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

28480632 is a wasteful number, since it uses less digits than its factorization.

28480632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186702 (or 1186698 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 28480632 is about 5336.7248383255. The cubic root of 28480632 is about 305.3865277716.

The spelling of 28480632 in words is "twenty-eight million, four hundred eighty thousand, six hundred thirty-two".