28925319 has 8 divisors (see below), whose sum is σ = 38733552. Its totient is φ = 19200320.

The previous prime is 28925317. The next prime is 28925341. The reversal of 28925319 is 91352982.

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 28925319 - 2¹ = 28925317 is a prime.

It is a super-2 number, since 2×28925319² = 1673348158503522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28925317) 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, 19992 + ... + 21389.

It is an arithmetic number, because the mean of its divisors is an integer number (4841694).

Almost surely, 2^28925319 is an apocalyptic number.

28925319 is a deficient number, since it is larger than the sum of its proper divisors (9808233).

28925319 is a wasteful number, since it uses less digits than its factorization.

28925319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41617.

The product of its digits is 38880, while the sum is 39.

The square root of 28925319 is about 5378.2263805087. The cubic root of 28925319 is about 306.9677274765.

The spelling of 28925319 in words is "twenty-eight million, nine hundred twenty-five thousand, three hundred nineteen".