28934746 has 4 divisors (see below), whose sum is σ = 43402122. Its totient is φ = 14467372.

The previous prime is 28934723. The next prime is 28934747. The reversal of 28934746 is 64743982.

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., 28355625 + 579121 = 5325^2 + 761^2 .

It is not an unprimeable number, because it can be changed into a prime (28934747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7233685 + ... + 7233688.

Almost surely, 2^28934746 is an apocalyptic number.

28934746 is a deficient number, since it is larger than the sum of its proper divisors (14467376).

28934746 is a wasteful number, since it uses less digits than its factorization.

28934746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14467375.

The product of its digits is 290304, while the sum is 43.

The square root of 28934746 is about 5379.1027132785. The cubic root of 28934746 is about 307.0010716257.

The spelling of 28934746 in words is "twenty-eight million, nine hundred thirty-four thousand, seven hundred forty-six".