9351972 has 144 divisors (see below), whose sum is σ = 29877120. Its totient is φ = 2405376.

The previous prime is 9351967. The next prime is 9352001. The reversal of 9351972 is 2791539.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158479 + ... + 158537.

It is an arithmetic number, because the mean of its divisors is an integer number (207480).

Almost surely, 2^9351972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9351972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14938560).

9351972 is an abundant number, since it is smaller than the sum of its proper divisors (20525148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9351972 is a wasteful number, since it uses less digits than its factorization.

9351972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 125 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 9351972 is about 3058.0994097642. The cubic root of 9351972 is about 210.6853797314.

The spelling of 9351972 in words is "nine million, three hundred fifty-one thousand, nine hundred seventy-two".