28484632 has 64 divisors (see below), whose sum is σ = 60963840. Its totient is φ = 12364800.

The previous prime is 28484611. The next prime is 28484647. The reversal of 28484632 is 23648482.

It is a super-2 number, since 2×28484632² = 1622748520350848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28484591 and 28484600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293608 + ... + 293704.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^28484632 is an apocalyptic number.

28484632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28484632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30481920).

28484632 is an abundant number, since it is smaller than the sum of its proper divisors (32479208).

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

28484632 is a wasteful number, since it uses less digits than its factorization.

28484632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 228 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 28484632 is about 5337.0995868543. The cubic root of 28484632 is about 305.4008239071.

The spelling of 28484632 in words is "twenty-eight million, four hundred eighty-four thousand, six hundred thirty-two".