9968457 has 8 divisors (see below), whose sum is σ = 13459840. Its totient is φ = 6561360.

The previous prime is 9968449. The next prime is 9968473. The reversal of 9968457 is 7548699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9968457 - 2³ = 9968449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9968417) 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, 20794 + ... + 21267.

It is an arithmetic number, because the mean of its divisors is an integer number (1682480).

Almost surely, 2^9968457 is an apocalyptic number.

It is an amenable number.

9968457 is a deficient number, since it is larger than the sum of its proper divisors (3491383).

9968457 is a wasteful number, since it uses less digits than its factorization.

9968457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42143.

The product of its digits is 544320, while the sum is 48.

The square root of 9968457 is about 3157.2863348135. The cubic root of 9968457 is about 215.2167059648.

It can be divided in two parts, 996 and 8457, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 9968457 in words is "nine million, nine hundred sixty-eight thousand, four hundred fifty-seven".