921914 has 8 divisors (see below), whose sum is σ = 1580448. Its totient is φ = 395100.

The previous prime is 921913. The next prime is 921919. The reversal of 921914 is 419129.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (921911) 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, 32912 + ... + 32939.

It is an arithmetic number, because the mean of its divisors is an integer number (197556).

2⁹²¹⁹¹⁴ is an apocalyptic number.

921914 is a deficient number, since it is larger than the sum of its proper divisors (658534).

921914 is a wasteful number, since it uses less digits than its factorization.

921914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65860.

The product of its digits is 648, while the sum is 26.

The square root of 921914 is about 960.1635277389. The cubic root of 921914 is about 97.3262828237.

The spelling of 921914 in words is "nine hundred twenty-one thousand, nine hundred fourteen".