9027421 has 8 divisors (see below), whose sum is σ = 9959544. Its totient is φ = 8129280.

The previous prime is 9027419. The next prime is 9027427. The reversal of 9027421 is 1247209.

It can be written as a sum of positive squares in 4 ways, for example, as 236196 + 8791225 = 486^2 + 2965^2 .

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 9027421 - 2¹ = 9027419 is a prime.

It is a super-2 number, since 2×9027421² = 162988659822482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9027427) 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, 7936 + ... + 9001.

It is an arithmetic number, because the mean of its divisors is an integer number (1244943).

Almost surely, 2^9027421 is an apocalyptic number.

It is an amenable number.

9027421 is a deficient number, since it is larger than the sum of its proper divisors (932123).

9027421 is a wasteful number, since it uses less digits than its factorization.

9027421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16991.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 9027421 is about 3004.5666908891. The cubic root of 9027421 is about 208.2194198941.

The spelling of 9027421 in words is "nine million, twenty-seven thousand, four hundred twenty-one".