10391968 has 48 divisors (see below), whose sum is σ = 21488544. Its totient is φ = 4942080.

The previous prime is 10391933. The next prime is 10391977. The reversal of 10391968 is 86919301.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79263 + ... + 79393.

It is an arithmetic number, because the mean of its divisors is an integer number (447678).

Almost surely, 2^10391968 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 10391968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10744272).

10391968 is an abundant number, since it is smaller than the sum of its proper divisors (11096576).

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

10391968 is a wasteful number, since it uses less digits than its factorization.

10391968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 10391968 is about 3223.6575500509. The cubic root of 10391968 is about 218.2223693987. Note that the first 3 decimals are identical.

The spelling of 10391968 in words is "ten million, three hundred ninety-one thousand, nine hundred sixty-eight".