28036838 has 8 divisors (see below), whose sum is σ = 42077880. Its totient is φ = 14010880.

The previous prime is 28036807. The next prime is 28036867. The reversal of 28036838 is 83863082.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4553 + ... + 8763.

It is an arithmetic number, because the mean of its divisors is an integer number (5259735).

Almost surely, 2^28036838 is an apocalyptic number.

28036838 is a deficient number, since it is larger than the sum of its proper divisors (14041042).

28036838 is a wasteful number, since it uses less digits than its factorization.

28036838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7542.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 28036838 is about 5294.9823418025. The cubic root of 28036838 is about 303.7920077157.

The spelling of 28036838 in words is "twenty-eight million, thirty-six thousand, eight hundred thirty-eight".