28963130 has 16 divisors (see below), whose sum is σ = 59581440. Its totient is φ = 9930192.

The previous prime is 28963117. The next prime is 28963147. The reversal of 28963130 is 3136982.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206810 + ... + 206949.

It is an arithmetic number, because the mean of its divisors is an integer number (3723840).

Almost surely, 2^28963130 is an apocalyptic number.

28963130 is an abundant number, since it is smaller than the sum of its proper divisors (30618310).

28963130 is a wasteful number, since it uses less digits than its factorization.

28963130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413773.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 28963130 is about 5381.7404248068. The cubic root of 28963130 is about 307.1014246824.

The spelling of 28963130 in words is "twenty-eight million, nine hundred sixty-three thousand, one hundred thirty".