28474630 has 16 divisors (see below), whose sum is σ = 51342624. Its totient is φ = 11370240.

The previous prime is 28474603. The next prime is 28474631. The reversal of 28474630 is 3647482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28474631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4615 + ... + 8845.

It is an arithmetic number, because the mean of its divisors is an integer number (3208914).

Almost surely, 2^28474630 is an apocalyptic number.

28474630 is a deficient number, since it is larger than the sum of its proper divisors (22867994).

28474630 is a wasteful number, since it uses less digits than its factorization.

28474630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 28474630 is about 5336.1624787857. The cubic root of 28474630 is about 305.3650739088.

The spelling of 28474630 in words is "twenty-eight million, four hundred seventy-four thousand, six hundred thirty".