28519734 has 8 divisors (see below), whose sum is σ = 57039480. Its totient is φ = 9506576.

The previous prime is 28519709. The next prime is 28519739. The reversal of 28519734 is 43791582.

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

28519734 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28519692 and 28519701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28519739) 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, 2376639 + ... + 2376650.

It is an arithmetic number, because the mean of its divisors is an integer number (7129935).

Almost surely, 2^28519734 is an apocalyptic number.

28519734 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.

28519734 is a wasteful number, since it uses less digits than its factorization.

28519734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4753294.

The product of its digits is 60480, while the sum is 39.

The square root of 28519734 is about 5340.3870646237. The cubic root of 28519734 is about 305.5262222762.

The spelling of 28519734 in words is "twenty-eight million, five hundred nineteen thousand, seven hundred thirty-four".