28986074 has 8 divisors (see below), whose sum is σ = 46823700. Its totient is φ = 13378176.

The previous prime is 28986073. The next prime is 28986079. The reversal of 28986074 is 47068982.

It can be written as a sum of positive squares in 2 ways, for example, as 28015849 + 970225 = 5293^2 + 985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28986073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557399 + ... + 557450.

Almost surely, 2^28986074 is an apocalyptic number.

28986074 is a deficient number, since it is larger than the sum of its proper divisors (17837626).

28986074 is a wasteful number, since it uses less digits than its factorization.

28986074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114864.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 28986074 is about 5383.8716552310. The cubic root of 28986074 is about 307.1824964370.

The spelling of 28986074 in words is "twenty-eight million, nine hundred eighty-six thousand, seventy-four".