9420389 has 8 divisors (see below), whose sum is σ = 10631520. Its totient is φ = 8268400.

The previous prime is 9420347. The next prime is 9420391. The reversal of 9420389 is 9830249.

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 9420389 - 2²⁰ = 8371813 is a prime.

It is a super-2 number, since 2×9420389² = 177487457822642, 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 (9420319) 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, 14447 + ... + 15084.

It is an arithmetic number, because the mean of its divisors is an integer number (1328940).

Almost surely, 2^9420389 is an apocalyptic number.

It is an amenable number.

9420389 is a deficient number, since it is larger than the sum of its proper divisors (1211131).

9420389 is a wasteful number, since it uses less digits than its factorization.

9420389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29571.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 9420389 is about 3069.2652215148. The cubic root of 9420389 is about 211.1979080969.

The spelling of 9420389 in words is "nine million, four hundred twenty thousand, three hundred eighty-nine".