28986296 has 8 divisors (see below), whose sum is σ = 54349320. Its totient is φ = 14493144.

The previous prime is 28986253. The next prime is 28986301. The reversal of 28986296 is 69268982.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811636 + ... + 1811651.

It is an arithmetic number, because the mean of its divisors is an integer number (6793665).

Almost surely, 2^28986296 is an apocalyptic number.

It is an amenable number.

28986296 is a deficient number, since it is larger than the sum of its proper divisors (25363024).

28986296 is a wasteful number, since it uses less digits than its factorization.

28986296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623293 (or 3623289 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 28986296 is about 5383.8922723249. The cubic root of 28986296 is about 307.1832806565.

The spelling of 28986296 in words is "twenty-eight million, nine hundred eighty-six thousand, two hundred ninety-six".