4089451 has 4 divisors (see below), whose sum is σ = 4094992. Its totient is φ = 4083912.

The previous prime is 4089439. The next prime is 4089473. The reversal of 4089451 is 1549804.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4089451 - 2¹¹ = 4087403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4089431) 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, 1455 + ... + 3208.

It is an arithmetic number, because the mean of its divisors is an integer number (1023748).

Almost surely, 2^4089451 is an apocalyptic number.

4089451 is a deficient number, since it is larger than the sum of its proper divisors (5541).

4089451 is an equidigital number, since it uses as much as digits as its factorization.

4089451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 4089451 is about 2022.2391055461. The cubic root of 4089451 is about 159.9146810748.

The spelling of 4089451 in words is "four million, eighty-nine thousand, four hundred fifty-one".