921696 has 24 divisors (see below), whose sum is σ = 2419704. Its totient is φ = 307200.

The previous prime is 921677. The next prime is 921703. The reversal of 921696 is 696129.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 921696.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4705 + ... + 4896.

It is an arithmetic number, because the mean of its divisors is an integer number (100821).

2⁹²¹⁶⁹⁶ is an apocalyptic number.

921696 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

921696 is an abundant number, since it is smaller than the sum of its proper divisors (1498008).

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

921696 is a wasteful number, since it uses less digits than its factorization.

921696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9614 (or 9606 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 921696 is about 960.0499986980. The cubic root of 921696 is about 97.3186108130.

It can be divided in two parts, 9216 and 96, that multiplied together give a cube (884736 = 96³).

The spelling of 921696 in words is "nine hundred twenty-one thousand, six hundred ninety-six".