28090379 has 8 divisors (see below), whose sum is σ = 29767680. Its totient is φ = 26433000.

The previous prime is 28090351. The next prime is 28090393. The reversal of 28090379 is 97309082.

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 28090379 - 2¹² = 28086283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28090319) 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, 2027 + ... + 7764.

It is an arithmetic number, because the mean of its divisors is an integer number (3720960).

Almost surely, 2^28090379 is an apocalyptic number.

28090379 is a deficient number, since it is larger than the sum of its proper divisors (1677301).

28090379 is a wasteful number, since it uses less digits than its factorization.

28090379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9961.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 28090379 is about 5300.0357545964. The cubic root of 28090379 is about 303.9852651849.

The spelling of 28090379 in words is "twenty-eight million, ninety thousand, three hundred seventy-nine".