28605034 has 4 divisors (see below), whose sum is σ = 42907554. Its totient is φ = 14302516.

The previous prime is 28605023. The next prime is 28605043. The reversal of 28605034 is 43050682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25553025 + 3052009 = 5055^2 + 1747^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28604993 and 28605011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7151257 + ... + 7151260.

Almost surely, 2^28605034 is an apocalyptic number.

28605034 is a deficient number, since it is larger than the sum of its proper divisors (14302520).

28605034 is a wasteful number, since it uses less digits than its factorization.

28605034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14302519.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 28605034 is about 5348.3674144546. The cubic root of 28605034 is about 305.8305197312.

The spelling of 28605034 in words is "twenty-eight million, six hundred five thousand, thirty-four".