28260651 has 8 divisors (see below), whose sum is σ = 37710144. Its totient is φ = 18825800.

The previous prime is 28260649. The next prime is 28260653. The reversal of 28260651 is 15606282.

It is an interprime number because it is at equal distance from previous prime (28260649) and next prime (28260653).

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

It is a cyclic number.

It is not a de Polignac number, because 28260651 - 2¹ = 28260649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28260653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2176 + ... + 7826.

It is an arithmetic number, because the mean of its divisors is an integer number (4713768).

Almost surely, 2^28260651 is an apocalyptic number.

28260651 is a deficient number, since it is larger than the sum of its proper divisors (9449493).

28260651 is a wasteful number, since it uses less digits than its factorization.

28260651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7321.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 28260651 is about 5316.0747737405. The cubic root of 28260651 is about 304.5982383678.

The spelling of 28260651 in words is "twenty-eight million, two hundred sixty thousand, six hundred fifty-one".