9401971 has 4 divisors (see below), whose sum is σ = 9420472. Its totient is φ = 9383472.

The previous prime is 9401957. The next prime is 9401981. The reversal of 9401971 is 1791049.

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

It is a cyclic number.

It is not a de Polignac number, because 9401971 - 2¹³ = 9393779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9401921) 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, 8466 + ... + 9511.

It is an arithmetic number, because the mean of its divisors is an integer number (2355118).

Almost surely, 2^9401971 is an apocalyptic number.

9401971 is a deficient number, since it is larger than the sum of its proper divisors (18501).

9401971 is a wasteful number, since it uses less digits than its factorization.

9401971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18500.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 9401971 is about 3066.2633611613. The cubic root of 9401971 is about 211.0601791466.

The spelling of 9401971 in words is "nine million, four hundred one thousand, nine hundred seventy-one".