28032038 has 16 divisors (see below), whose sum is σ = 43632000. Its totient is φ = 13491072.

The previous prime is 28032019. The next prime is 28032041. The reversal of 28032038 is 83023082.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28031998 and 28032016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27278 + ... + 28286.

It is an arithmetic number, because the mean of its divisors is an integer number (2727000).

Almost surely, 2^28032038 is an apocalyptic number.

28032038 is a deficient number, since it is larger than the sum of its proper divisors (15599962).

28032038 is a wasteful number, since it uses less digits than its factorization.

28032038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 28032038 is about 5294.5290630990. The cubic root of 28032038 is about 303.7746699919.

The spelling of 28032038 in words is "twenty-eight million, thirty-two thousand, thirty-eight".