28847630 has 16 divisors (see below), whose sum is σ = 59343840. Its totient is φ = 9890592.

The previous prime is 28847627. The next prime is 28847677. The reversal of 28847630 is 3674882.

It is a congruent number.

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, 205985 + ... + 206124.

It is an arithmetic number, because the mean of its divisors is an integer number (3708990).

Almost surely, 2^28847630 is an apocalyptic number.

28847630 is an abundant number, since it is smaller than the sum of its proper divisors (30496210).

28847630 is a wasteful number, since it uses less digits than its factorization.

28847630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412123.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 28847630 is about 5370.9989759820. The cubic root of 28847630 is about 306.6926582150.

The spelling of 28847630 in words is "twenty-eight million, eight hundred forty-seven thousand, six hundred thirty".