28418042 has 8 divisors (see below), whose sum is σ = 42660000. Its totient is φ = 14198044.

The previous prime is 28418029. The next prime is 28418051. The reversal of 28418042 is 24081482.

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

It is a super-2 number, since 2×28418042² = 1615170222227528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28417996 and 28418014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1742 + ... + 7737.

It is an arithmetic number, because the mean of its divisors is an integer number (5332500).

Almost surely, 2^28418042 is an apocalyptic number.

28418042 is a deficient number, since it is larger than the sum of its proper divisors (14241958).

28418042 is a wasteful number, since it uses less digits than its factorization.

28418042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10980.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 28418042 is about 5330.8575295162. The cubic root of 28418042 is about 305.1626544407.

The spelling of 28418042 in words is "twenty-eight million, four hundred eighteen thousand, forty-two".