28376427 has 8 divisors (see below), whose sum is σ = 37900800. Its totient is φ = 18884840.

The previous prime is 28376423. The next prime is 28376441. The reversal of 28376427 is 72467382.

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 28376427 - 2² = 28376423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28376423) 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, 6099 + ... + 9692.

It is an arithmetic number, because the mean of its divisors is an integer number (4737600).

Almost surely, 2^28376427 is an apocalyptic number.

28376427 is a deficient number, since it is larger than the sum of its proper divisors (9524373).

28376427 is a wasteful number, since it uses less digits than its factorization.

28376427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16393.

The product of its digits is 112896, while the sum is 39.

The square root of 28376427 is about 5326.9528813384. The cubic root of 28376427 is about 305.0136229694.

The spelling of 28376427 in words is "twenty-eight million, three hundred seventy-six thousand, four hundred twenty-seven".