28612383 has 8 divisors (see below), whose sum is σ = 39080496. Its totient is φ = 18609600.

The previous prime is 28612379. The next prime is 28612393. The reversal of 28612383 is 38321682.

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

It is not a de Polignac number, because 28612383 - 2² = 28612379 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28612333) 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, 116188 + ... + 116433.

It is an arithmetic number, because the mean of its divisors is an integer number (4885062).

Almost surely, 2^28612383 is an apocalyptic number.

28612383 is a deficient number, since it is larger than the sum of its proper divisors (10468113).

28612383 is a wasteful number, since it uses less digits than its factorization.

28612383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232665.

The product of its digits is 13824, while the sum is 33.

The square root of 28612383 is about 5349.0544024154. The cubic root of 28612383 is about 305.8567080825.

The spelling of 28612383 in words is "twenty-eight million, six hundred twelve thousand, three hundred eighty-three".