28083955 has 8 divisors (see below), whose sum is σ = 33896592. Its totient is φ = 22336608.

The previous prime is 28083953. The next prime is 28083961. The reversal of 28083955 is 55938082.

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

It is a cyclic number.

It is not a de Polignac number, because 28083955 - 2¹ = 28083953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28083953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15369 + ... + 17098.

It is an arithmetic number, because the mean of its divisors is an integer number (4237074).

Almost surely, 2^28083955 is an apocalyptic number.

28083955 is a deficient number, since it is larger than the sum of its proper divisors (5812637).

28083955 is a wasteful number, since it uses less digits than its factorization.

28083955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32645.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 28083955 is about 5299.4296862964. The cubic root of 28083955 is about 303.9620905810.

The spelling of 28083955 in words is "twenty-eight million, eighty-three thousand, nine hundred fifty-five".