28536474 has 8 divisors (see below), whose sum is σ = 57072960. Its totient is φ = 9512156.

The previous prime is 28536467. The next prime is 28536481. The reversal of 28536474 is 47463582.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28536467) and next prime (28536481).

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

28536474 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2378034 + ... + 2378045.

It is an arithmetic number, because the mean of its divisors is an integer number (7134120).

Almost surely, 2^28536474 is an apocalyptic number.

28536474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28536474 is a wasteful number, since it uses less digits than its factorization.

28536474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756084.

The product of its digits is 161280, while the sum is 39.

The square root of 28536474 is about 5341.9541368305. The cubic root of 28536474 is about 305.5859880115.

The spelling of 28536474 in words is "twenty-eight million, five hundred thirty-six thousand, four hundred seventy-four".