28450426 has 8 divisors (see below), whose sum is σ = 42704064. Its totient is φ = 14215740.

The previous prime is 28450423. The next prime is 28450493. The reversal of 28450426 is 62405482.

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

It is not an unprimeable number, because it can be changed into a prime (28450423) 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, 60 + ... + 7543.

It is an arithmetic number, because the mean of its divisors is an integer number (5338008).

Almost surely, 2^28450426 is an apocalyptic number.

28450426 is a deficient number, since it is larger than the sum of its proper divisors (14253638).

28450426 is a wasteful number, since it uses less digits than its factorization.

28450426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9476.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 28450426 is about 5333.8940746888. The cubic root of 28450426 is about 305.2785272598.

The spelling of 28450426 in words is "twenty-eight million, four hundred fifty thousand, four hundred twenty-six".