28961346 has 16 divisors (see below), whose sum is σ = 58497408. Its totient is φ = 9558000.

The previous prime is 28961329. The next prime is 28961357. The reversal of 28961346 is 64316982.

It is an unprimeable number.

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, 23290 + ... + 24501.

It is an arithmetic number, because the mean of its divisors is an integer number (3656088).

Almost surely, 2^28961346 is an apocalyptic number.

28961346 is an abundant number, since it is smaller than the sum of its proper divisors (29536062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28961346 is a wasteful number, since it uses less digits than its factorization.

28961346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47897.

The product of its digits is 62208, while the sum is 39.

The square root of 28961346 is about 5381.5746766165. The cubic root of 28961346 is about 307.0951191922.

The spelling of 28961346 in words is "twenty-eight million, nine hundred sixty-one thousand, three hundred forty-six".