28996486 has 4 divisors (see below), whose sum is σ = 43494732. Its totient is φ = 14498242.

The previous prime is 28996481. The next prime is 28996511. The reversal of 28996486 is 68469982.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28996481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7249120 + ... + 7249123.

It is an arithmetic number, because the mean of its divisors is an integer number (10873683).

Almost surely, 2^28996486 is an apocalyptic number.

28996486 is a deficient number, since it is larger than the sum of its proper divisors (14498246).

28996486 is a wasteful number, since it uses less digits than its factorization.

28996486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14498245.

The product of its digits is 1492992, while the sum is 52.

The square root of 28996486 is about 5384.8385305411. The cubic root of 28996486 is about 307.2192727325.

The spelling of 28996486 in words is "twenty-eight million, nine hundred ninety-six thousand, four hundred eighty-six".