28974699 has 16 divisors (see below), whose sum is σ = 46228000. Its totient is φ = 17830368.

The previous prime is 28974697. The next prime is 28974709. The reversal of 28974699 is 99647982.

It is not a de Polignac number, because 28974699 - 2¹ = 28974697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28974691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40924 + ... + 41625.

It is an arithmetic number, because the mean of its divisors is an integer number (2889250).

Almost surely, 2^28974699 is an apocalyptic number.

28974699 is a deficient number, since it is larger than the sum of its proper divisors (17253301).

28974699 is a wasteful number, since it uses less digits than its factorization.

28974699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82571 (or 82565 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 28974699 is about 5382.8151556597. The cubic root of 28974699 is about 307.1423086549.

The spelling of 28974699 in words is "twenty-eight million, nine hundred seventy-four thousand, six hundred ninety-nine".