921454 has 8 divisors (see below), whose sum is σ = 1393128. Its totient is φ = 457080.

The previous prime is 921409. The next prime is 921457. The reversal of 921454 is 454129.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921457) 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, 1497 + ... + 2020.

It is an arithmetic number, because the mean of its divisors is an integer number (174141).

2⁹²¹⁴⁵⁴ is an apocalyptic number.

921454 is a deficient number, since it is larger than the sum of its proper divisors (471674).

921454 is a wasteful number, since it uses less digits than its factorization.

921454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650.

The product of its digits is 1440, while the sum is 25.

The square root of 921454 is about 959.9239553215. The cubic root of 921454 is about 97.3100927603.

The spelling of 921454 in words is "nine hundred twenty-one thousand, four hundred fifty-four".