28089414 has 12 divisors (see below), whose sum is σ = 60860436. Its totient is φ = 9363132.

The previous prime is 28089377. The next prime is 28089419. The reversal of 28089414 is 41498082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28089419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 780244 + ... + 780279.

It is an arithmetic number, because the mean of its divisors is an integer number (5071703).

Almost surely, 2^28089414 is an apocalyptic number.

28089414 is an abundant number, since it is smaller than the sum of its proper divisors (32771022).

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

28089414 is a wasteful number, since it uses less digits than its factorization.

28089414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560531 (or 1560528 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 28089414 is about 5299.9447166928. The cubic root of 28089414 is about 303.9817841694.

The spelling of 28089414 in words is "twenty-eight million, eighty-nine thousand, four hundred fourteen".