28241967 has 8 divisors (see below), whose sum is σ = 40552624. Its totient is φ = 17379648.

The previous prime is 28241959. The next prime is 28242001. The reversal of 28241967 is 76914282.

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

It is not a de Polignac number, because 28241967 - 2³ = 28241959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 724153 = 28241967 / (2 + 8 + 2 + 4 + 1 + 9 + 6 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28241957) 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, 362038 + ... + 362115.

It is an arithmetic number, because the mean of its divisors is an integer number (5069078).

Almost surely, 2^28241967 is an apocalyptic number.

28241967 is a deficient number, since it is larger than the sum of its proper divisors (12310657).

28241967 is a wasteful number, since it uses less digits than its factorization.

28241967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724169.

The product of its digits is 48384, while the sum is 39.

The square root of 28241967 is about 5314.3171715659. The cubic root of 28241967 is about 304.5310970962.

The spelling of 28241967 in words is "twenty-eight million, two hundred forty-one thousand, nine hundred sixty-seven".