9401331 has 4 divisors (see below), whose sum is σ = 12535112. Its totient is φ = 6267552.

The previous prime is 9401311. The next prime is 9401347. The reversal of 9401331 is 1331049.

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

It is not a de Polignac number, because 9401331 - 2⁶ = 9401267 is a prime.

It is a super-2 number, since 2×9401331² = 176770049143122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9401298 and 9401307.

It is not an unprimeable number, because it can be changed into a prime (9401311) 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, 1566886 + ... + 1566891.

It is an arithmetic number, because the mean of its divisors is an integer number (3133778).

Almost surely, 2^9401331 is an apocalyptic number.

9401331 is a deficient number, since it is larger than the sum of its proper divisors (3133781).

9401331 is a wasteful number, since it uses less digits than its factorization.

9401331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133780.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 9401331 is about 3066.1589978343. The cubic root of 9401331 is about 211.0553900238.

The spelling of 9401331 in words is "nine million, four hundred one thousand, three hundred thirty-one".