28372486 has 8 divisors (see below), whose sum is σ = 42611184. Its totient is φ = 14168760.

The previous prime is 28372481. The next prime is 28372489. The reversal of 28372486 is 68427382.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28372481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6610 + ... + 10021.

It is an arithmetic number, because the mean of its divisors is an integer number (5326398).

Almost surely, 2^28372486 is an apocalyptic number.

28372486 is a deficient number, since it is larger than the sum of its proper divisors (14238698).

28372486 is a wasteful number, since it uses less digits than its factorization.

28372486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17486.

The product of its digits is 129024, while the sum is 40.

The square root of 28372486 is about 5326.5829572062. The cubic root of 28372486 is about 304.9995019252. Note that the first 3 decimals are identical.

The spelling of 28372486 in words is "twenty-eight million, three hundred seventy-two thousand, four hundred eighty-six".