28634476 has 12 divisors (see below), whose sum is σ = 53965072. Its totient is φ = 13215888.

The previous prime is 28634467. The next prime is 28634491. The reversal of 28634476 is 67443682.

It is a happy number.

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, 275280 + ... + 275383.

Almost surely, 2^28634476 is an apocalyptic number.

28634476 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28634476 is a deficient number, since it is larger than the sum of its proper divisors (25330596).

28634476 is a wasteful number, since it uses less digits than its factorization.

28634476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550680 (or 550678 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 28634476 is about 5351.1191352838. The cubic root of 28634476 is about 305.9354100649.

The spelling of 28634476 in words is "twenty-eight million, six hundred thirty-four thousand, four hundred seventy-six".