469904421 has 16 divisors (see below), whose sum is σ = 747177984. Its totient is φ = 256841904.

The previous prime is 469904401. The next prime is 469904423. The reversal of 469904421 is 124409964.

It is not a de Polignac number, because 469904421 - 2⁹ = 469903909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 469904421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469904423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485961 + ... + 486926.

It is an arithmetic number, because the mean of its divisors is an integer number (46698624).

Almost surely, 2^469904421 is an apocalyptic number.

It is an amenable number.

469904421 is a deficient number, since it is larger than the sum of its proper divisors (277273563).

469904421 is a wasteful number, since it uses less digits than its factorization.

469904421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972920.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 469904421 is about 21677.2789113394. The cubic root of 469904421 is about 777.4453022731.

The spelling of 469904421 in words is "four hundred sixty-nine million, nine hundred four thousand, four hundred twenty-one".