8590421 has 8 divisors (see below), whose sum is σ = 9952704. Its totient is φ = 7261920.

The previous prime is 8590391. The next prime is 8590427. The reversal of 8590421 is 1240958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8590421 - 2⁶ = 8590357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8590427) 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, 7895 + ... + 8916.

It is an arithmetic number, because the mean of its divisors is an integer number (1244088).

Almost surely, 2^8590421 is an apocalyptic number.

It is an amenable number.

8590421 is a deficient number, since it is larger than the sum of its proper divisors (1362283).

8590421 is a wasteful number, since it uses less digits than its factorization.

8590421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16891.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 8590421 is about 2930.9419987437. The cubic root of 8590421 is about 204.8038655505.

The spelling of 8590421 in words is "eight million, five hundred ninety thousand, four hundred twenty-one".