28880726 has 8 divisors (see below), whose sum is σ = 49509840. Its totient is φ = 12377448.

The previous prime is 28880699. The next prime is 28880729. The reversal of 28880726 is 62708882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28880729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031441 + ... + 1031468.

It is an arithmetic number, because the mean of its divisors is an integer number (6188730).

Almost surely, 2^28880726 is an apocalyptic number.

28880726 is a deficient number, since it is larger than the sum of its proper divisors (20629114).

28880726 is a wasteful number, since it uses less digits than its factorization.

28880726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062918.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 28880726 is about 5374.0790838989. The cubic root of 28880726 is about 306.8098997467.

The spelling of 28880726 in words is "twenty-eight million, eight hundred eighty thousand, seven hundred twenty-six".