28714632 has 32 divisors (see below), whose sum is σ = 76010400. Its totient is φ = 9008384.

The previous prime is 28714589. The next prime is 28714639. The reversal of 28714632 is 23641782.

It is a junction number, because it is equal to n+sod(n) for n = 28714593 and 28714602.

It is not an unprimeable number, because it can be changed into a prime (28714639) 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 7 ways as a sum of consecutive naturals, for example, 34782 + ... + 35597.

It is an arithmetic number, because the mean of its divisors is an integer number (2375325).

Almost surely, 2^28714632 is an apocalyptic number.

It is an amenable number.

28714632 is an abundant number, since it is smaller than the sum of its proper divisors (47295768).

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

28714632 is a wasteful number, since it uses less digits than its factorization.

28714632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70405 (or 70401 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 28714632 is about 5358.6035494334. The cubic root of 28714632 is about 306.2206107019.

It can be divided in two parts, 2871 and 4632, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 28714632 in words is "twenty-eight million, seven hundred fourteen thousand, six hundred thirty-two".