28492668 has 24 divisors (see below), whose sum is σ = 73870160. Its totient is φ = 9497520.

The previous prime is 28492661. The next prime is 28492687. The reversal of 28492668 is 86629482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28492661) 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, 131803 + ... + 132018.

Almost surely, 2^28492668 is an apocalyptic number.

It is an amenable number.

28492668 is an abundant number, since it is smaller than the sum of its proper divisors (45377492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28492668 is a wasteful number, since it uses less digits than its factorization.

28492668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263834 (or 263826 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 28492668 is about 5337.8523771270. The cubic root of 28492668 is about 305.4295407987.

The spelling of 28492668 in words is "twenty-eight million, four hundred ninety-two thousand, six hundred sixty-eight".