28836974 has 4 divisors (see below), whose sum is σ = 43255464. Its totient is φ = 14418486.

The previous prime is 28836967. The next prime is 28837007. The reversal of 28836974 is 47963882.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7209242 + ... + 7209245.

It is an arithmetic number, because the mean of its divisors is an integer number (10813866).

Almost surely, 2^28836974 is an apocalyptic number.

28836974 is a deficient number, since it is larger than the sum of its proper divisors (14418490).

28836974 is a wasteful number, since it uses less digits than its factorization.

28836974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14418489.

The product of its digits is 580608, while the sum is 47.

The square root of 28836974 is about 5370.0068901259. The cubic root of 28836974 is about 306.6548905896.

The spelling of 28836974 in words is "twenty-eight million, eight hundred thirty-six thousand, nine hundred seventy-four".