28896982 has 4 divisors (see below), whose sum is σ = 43345476. Its totient is φ = 14448490.

The previous prime is 28896971. The next prime is 28896983. The reversal of 28896982 is 28969882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28969882 = 2 ⋅14484941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28896983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7224244 + ... + 7224247.

It is an arithmetic number, because the mean of its divisors is an integer number (10836369).

Almost surely, 2^28896982 is an apocalyptic number.

28896982 is a deficient number, since it is larger than the sum of its proper divisors (14448494).

28896982 is a wasteful number, since it uses less digits than its factorization.

28896982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448493.

The product of its digits is 995328, while the sum is 52.

The square root of 28896982 is about 5375.5913163112. The cubic root of 28896982 is about 306.8674533121.

Subtracting 28896982 from its reverse (28969882), we obtain a square (72900 = 270²).

The spelling of 28896982 in words is "twenty-eight million, eight hundred ninety-six thousand, nine hundred eighty-two".