28882311 has 8 divisors (see below), whose sum is σ = 39550704. Its totient is φ = 18734400.

The previous prime is 28882307. The next prime is 28882331. The reversal of 28882311 is 11328882.

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

It is not a de Polignac number, because 28882311 - 2² = 28882307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28882331) 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, 129990 + ... + 130211.

It is an arithmetic number, because the mean of its divisors is an integer number (4943838).

Almost surely, 2^28882311 is an apocalyptic number.

28882311 is a deficient number, since it is larger than the sum of its proper divisors (10668393).

28882311 is a wasteful number, since it uses less digits than its factorization.

28882311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260241.

The product of its digits is 6144, while the sum is 33.

The square root of 28882311 is about 5374.2265490022. The cubic root of 28882311 is about 306.8155123110.

The spelling of 28882311 in words is "twenty-eight million, eight hundred eighty-two thousand, three hundred eleven".