28487334 has 8 divisors (see below), whose sum is σ = 56974680. Its totient is φ = 9495776.

The previous prime is 28487297. The next prime is 28487351. The reversal of 28487334 is 43378482.

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

28487334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28487292 and 28487301.

It is a congruent 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, 2373939 + ... + 2373950.

It is an arithmetic number, because the mean of its divisors is an integer number (7121835).

Almost surely, 2^28487334 is an apocalyptic number.

28487334 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.

28487334 is a wasteful number, since it uses less digits than its factorization.

28487334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747894.

The product of its digits is 129024, while the sum is 39.

The square root of 28487334 is about 5337.3527145955. The cubic root of 28487334 is about 305.4104801893.

The spelling of 28487334 in words is "twenty-eight million, four hundred eighty-seven thousand, three hundred thirty-four".