28376493 has 8 divisors (see below), whose sum is σ = 38260800. Its totient is φ = 18704928.

The previous prime is 28376489. The next prime is 28376497. The reversal of 28376493 is 39467382.

It is an interprime number because it is at equal distance from previous prime (28376489) and next prime (28376497).

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

It is not a de Polignac number, because 28376493 - 2² = 28376489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28376497) 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, 52873 + ... + 53406.

It is an arithmetic number, because the mean of its divisors is an integer number (4782600).

Almost surely, 2^28376493 is an apocalyptic number.

It is an amenable number.

28376493 is a deficient number, since it is larger than the sum of its proper divisors (9884307).

28376493 is a wasteful number, since it uses less digits than its factorization.

28376493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106371.

The product of its digits is 217728, while the sum is 42.

The square root of 28376493 is about 5326.9590762460. The cubic root of 28376493 is about 305.0138594437.

The spelling of 28376493 in words is "twenty-eight million, three hundred seventy-six thousand, four hundred ninety-three".