28341632 has 32 divisors (see below), whose sum is σ = 61597800. Its totient is φ = 12881920.

The previous prime is 28341623. The next prime is 28341661. The reversal of 28341632 is 23614382.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 28341595 and 28341604.

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, 8657 + ... + 11472.

Almost surely, 2^28341632 is an apocalyptic number.

28341632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28341632 is an abundant number, since it is smaller than the sum of its proper divisors (33256168).

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

28341632 is a wasteful number, since it uses less digits than its factorization.

28341632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20154 (or 20142 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 28341632 is about 5323.6859411502. The cubic root of 28341632 is about 304.8889033701. Note that the first 3 decimals are identical.

The spelling of 28341632 in words is "twenty-eight million, three hundred forty-one thousand, six hundred thirty-two".