469994021 has 8 divisors (see below), whose sum is σ = 539836800. Its totient is φ = 400826448.

The previous prime is 469994011. The next prime is 469994033. The reversal of 469994021 is 120499964.

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

It is a cyclic number.

It is not a de Polignac number, because 469994021 - 2⁶ = 469993957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469994011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167306 + ... + 170091.

It is an arithmetic number, because the mean of its divisors is an integer number (67479600).

Almost surely, 2^469994021 is an apocalyptic number.

It is an amenable number.

469994021 is a deficient number, since it is larger than the sum of its proper divisors (69842779).

469994021 is a wasteful number, since it uses less digits than its factorization.

469994021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337603.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 469994021 is about 21679.3454928879. The cubic root of 469994021 is about 777.4947127979.

The spelling of 469994021 in words is "four hundred sixty-nine million, nine hundred ninety-four thousand, twenty-one".