28982263 has 8 divisors (see below), whose sum is σ = 30859920. Its totient is φ = 27123840.

The previous prime is 28982249. The next prime is 28982267. The reversal of 28982263 is 36228982.

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

It is not a de Polignac number, because 28982263 - 2¹⁷ = 28851191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28982267) 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, 1633 + ... + 7786.

It is an arithmetic number, because the mean of its divisors is an integer number (3857490).

Almost surely, 2^28982263 is an apocalyptic number.

28982263 is a deficient number, since it is larger than the sum of its proper divisors (1877657).

28982263 is a wasteful number, since it uses less digits than its factorization.

28982263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9617.

The product of its digits is 82944, while the sum is 40.

The square root of 28982263 is about 5383.5177161406. The cubic root of 28982263 is about 307.1690333765.

The spelling of 28982263 in words is "twenty-eight million, nine hundred eighty-two thousand, two hundred sixty-three".