913668 has 48 divisors (see below), whose sum is σ = 2486400. Its totient is φ = 255744.

The previous prime is 913639. The next prime is 913687. The reversal of 913668 is 866319.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6058 + ... + 6206.

It is an arithmetic number, because the mean of its divisors is an integer number (51800).

2⁹¹³⁶⁶⁸ 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 913668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243200).

913668 is an abundant number, since it is smaller than the sum of its proper divisors (1572732).

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

913668 is a wasteful number, since it uses less digits than its factorization.

913668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 234 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 913668 is about 955.8598223589. The cubic root of 913668 is about 97.0352371359.

The spelling of 913668 in words is "nine hundred thirteen thousand, six hundred sixty-eight".