9662421 has 16 divisors (see below), whose sum is σ = 13436928. Its totient is φ = 6169200.

The previous prime is 9662407. The next prime is 9662437. The reversal of 9662421 is 1242669.

It is not a de Polignac number, because 9662421 - 2⁷ = 9662293 is a prime.

It is a super-3 number, since 3×9662421³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9662491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9466 + ... + 10436.

It is an arithmetic number, because the mean of its divisors is an integer number (839808).

Almost surely, 2^9662421 is an apocalyptic number.

It is an amenable number.

9662421 is a deficient number, since it is larger than the sum of its proper divisors (3774507).

9662421 is a wasteful number, since it uses less digits than its factorization.

9662421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112.

The product of its digits is 5184, while the sum is 30.

The square root of 9662421 is about 3108.4435011755. The cubic root of 9662421 is about 212.9913593885.

The spelling of 9662421 in words is "nine million, six hundred sixty-two thousand, four hundred twenty-one".