921496 has 16 divisors (see below), whose sum is σ = 1738800. Its totient is φ = 457824.

The previous prime is 921491. The next prime is 921497. The reversal of 921496 is 694129.

It is a happy number.

921496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581 + ... + 2083.

It is an arithmetic number, because the mean of its divisors is an integer number (108675).

2⁹²¹⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

921496 is a deficient number, since it is larger than the sum of its proper divisors (817304).

921496 is a wasteful number, since it uses less digits than its factorization.

921496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 734 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 921496 is about 959.9458318051. The cubic root of 921496 is about 97.3115712069.

The spelling of 921496 in words is "nine hundred twenty-one thousand, four hundred ninety-six".