469921 has 4 divisors (see below), whose sum is σ = 471744. Its totient is φ = 468100.

The previous prime is 469919. The next prime is 469939. The reversal of 469921 is 129964.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 469921 - 2¹ = 469919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (469121) 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, 445 + ... + 1066.

It is an arithmetic number, because the mean of its divisors is an integer number (117936).

2⁴⁶⁹⁹²¹ is an apocalyptic number.

It is an amenable number.

469921 is a deficient number, since it is larger than the sum of its proper divisors (1823).

469921 is a wasteful number, since it uses less digits than its factorization.

469921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822.

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

The square root of 469921 is about 685.5078409471. The cubic root of 469921 is about 77.7454445348.

The spelling of 469921 in words is "four hundred sixty-nine thousand, nine hundred twenty-one".