28476746 has 4 divisors (see below), whose sum is σ = 42715122. Its totient is φ = 14238372.

The previous prime is 28476739. The next prime is 28476757. The reversal of 28476746 is 64767482.

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., 22420225 + 6056521 = 4735^2 + 2461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28476697 and 28476706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7119185 + ... + 7119188.

Almost surely, 2^28476746 is an apocalyptic number.

28476746 is a deficient number, since it is larger than the sum of its proper divisors (14238376).

28476746 is a wasteful number, since it uses less digits than its factorization.

28476746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14238375.

The product of its digits is 451584, while the sum is 44.

The square root of 28476746 is about 5336.3607449272. The cubic root of 28476746 is about 305.3726377939.

It can be divided in two parts, 2 and 8476746, that added together give a palindrome (8476748).

The spelling of 28476746 in words is "twenty-eight million, four hundred seventy-six thousand, seven hundred forty-six".