28574626 has 4 divisors (see below), whose sum is σ = 42861942. Its totient is φ = 14287312.

The previous prime is 28574621. The next prime is 28574633. The reversal of 28574626 is 62647582.

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., 19580625 + 8994001 = 4425^2 + 2999^2 .

It is not an unprimeable number, because it can be changed into a prime (28574621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7143655 + ... + 7143658.

Almost surely, 2^28574626 is an apocalyptic number.

28574626 is a deficient number, since it is larger than the sum of its proper divisors (14287316).

28574626 is a wasteful number, since it uses less digits than its factorization.

28574626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14287315.

The product of its digits is 161280, while the sum is 40.

The square root of 28574626 is about 5345.5239219369. The cubic root of 28574626 is about 305.7221123360.

The spelling of 28574626 in words is "twenty-eight million, five hundred seventy-four thousand, six hundred twenty-six".