28468394 has 8 divisors (see below), whose sum is σ = 43287780. Its totient is φ = 14039136.

The previous prime is 28468381. The next prime is 28468399. The reversal of 28468394 is 49386482.

It can be written as a sum of positive squares in 2 ways, for example, as 26142769 + 2325625 = 5113^2 + 1525^2 .

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 (28468399) 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, 97349 + ... + 97640.

Almost surely, 2^28468394 is an apocalyptic number.

28468394 is a deficient number, since it is larger than the sum of its proper divisors (14819386).

28468394 is a wasteful number, since it uses less digits than its factorization.

28468394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195064.

The product of its digits is 331776, while the sum is 44.

The square root of 28468394 is about 5335.5781317492. The cubic root of 28468394 is about 305.3427804306.

The spelling of 28468394 in words is "twenty-eight million, four hundred sixty-eight thousand, three hundred ninety-four".