28438083 has 12 divisors (see below), whose sum is σ = 41691208. Its totient is φ = 18675360.

The previous prime is 28438063. The next prime is 28438103. The reversal of 28438083 is 38083482.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28438063) and next prime (28438103).

It is not a de Polignac number, because 28438083 - 2⁶ = 28438019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28438013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22978 + ... + 24183.

Almost surely, 2^28438083 is an apocalyptic number.

28438083 is a deficient number, since it is larger than the sum of its proper divisors (13253125).

28438083 is a wasteful number, since it uses less digits than its factorization.

28438083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47234 (or 47231 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 28438083 is about 5332.7369145684. The cubic root of 28438083 is about 305.2343732882.

The spelling of 28438083 in words is "twenty-eight million, four hundred thirty-eight thousand, eighty-three".