4089456 has 60 divisors (see below), whose sum is σ = 13082992. Its totient is φ = 1168128.

The previous prime is 4089439. The next prime is 4089473. The reversal of 4089456 is 6549804.

It is an interprime number because it is at equal distance from previous prime (4089439) and next prime (4089473).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 4089456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1021 + ... + 3036.

Almost surely, 2^4089456 is an apocalyptic number.

It is an amenable number.

4089456 is an abundant number, since it is smaller than the sum of its proper divisors (8993536).

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

4089456 is a wasteful number, since it uses less digits than its factorization.

4089456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078 (or 4069 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4089456 is about 2022.2403417992. The cubic root of 4089456 is about 159.9147462485.

The spelling of 4089456 in words is "four million, eighty-nine thousand, four hundred fifty-six".