28604346 has 8 divisors (see below), whose sum is σ = 57208704. Its totient is φ = 9534780.

The previous prime is 28604327. The next prime is 28604371. The reversal of 28604346 is 64340682.

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

28604346 is an admirable number.

It is a super-2 number, since 2×28604346² = 1636417220175432, which contains 22 as substring.

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, 2383690 + ... + 2383701.

It is an arithmetic number, because the mean of its divisors is an integer number (7151088).

Almost surely, 2^28604346 is an apocalyptic number.

28604346 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.

28604346 is a wasteful number, since it uses less digits than its factorization.

28604346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4767396.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 28604346 is about 5348.3030953752. The cubic root of 28604346 is about 305.8280677958.

The spelling of 28604346 in words is "twenty-eight million, six hundred four thousand, three hundred forty-six".