28914032 has 20 divisors (see below), whose sum is σ = 64024176. Its totient is φ = 12391680.

The previous prime is 28914031. The next prime is 28914037. The reversal of 28914032 is 23041982.

It is a junction number, because it is equal to n+sod(n) for n = 28913986 and 28914004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28914031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128969 + ... + 129192.

Almost surely, 2^28914032 is an apocalyptic number.

It is an amenable number.

28914032 is an abundant number, since it is smaller than the sum of its proper divisors (35110144).

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

28914032 is a wasteful number, since it uses less digits than its factorization.

28914032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258176 (or 258170 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 28914032 is about 5377.1769544995. The cubic root of 28914032 is about 306.9277948083.

The spelling of 28914032 in words is "twenty-eight million, nine hundred fourteen thousand, thirty-two".