28435383 has 12 divisors (see below), whose sum is σ = 42859440. Its totient is φ = 18132576.

The previous prime is 28435367. The next prime is 28435397. The reversal of 28435383 is 38353482.

It is not a de Polignac number, because 28435383 - 2⁴ = 28435367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28435783) 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, 68478 + ... + 68891.

It is an arithmetic number, because the mean of its divisors is an integer number (3571620).

Almost surely, 2^28435383 is an apocalyptic number.

28435383 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28435383 is a deficient number, since it is larger than the sum of its proper divisors (14424057).

28435383 is a wasteful number, since it uses less digits than its factorization.

28435383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137398 (or 137395 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 28435383 is about 5332.4837552495. The cubic root of 28435383 is about 305.2247130157.

The spelling of 28435383 in words is "twenty-eight million, four hundred thirty-five thousand, three hundred eighty-three".