28360634 has 8 divisors (see below), whose sum is σ = 42640500. Its totient is φ = 14147136.

The previous prime is 28360621. The next prime is 28360663. The reversal of 28360634 is 43606382.

It can be written as a sum of positive squares in 2 ways, for example, as 25030009 + 3330625 = 5003^2 + 1825^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 28360634.

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, 15509 + ... + 17240.

Almost surely, 2^28360634 is an apocalyptic number.

28360634 is a deficient number, since it is larger than the sum of its proper divisors (14279866).

28360634 is a wasteful number, since it uses less digits than its factorization.

28360634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33184.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 28360634 is about 5325.4703078695. The cubic root of 28360634 is about 304.9570270012.

The spelling of 28360634 in words is "twenty-eight million, three hundred sixty thousand, six hundred thirty-four".