469997421 has 8 divisors (see below), whose sum is σ = 643600224. Its totient is φ = 304863120.

The previous prime is 469997413. The next prime is 469997431. The reversal of 469997421 is 124799964.

It is a happy number.

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

It is not a de Polignac number, because 469997421 - 2³ = 469997413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469997431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116995 + ... + 2117216.

It is an arithmetic number, because the mean of its divisors is an integer number (80450028).

Almost surely, 2^469997421 is an apocalyptic number.

It is an amenable number.

469997421 is a deficient number, since it is larger than the sum of its proper divisors (173602803).

469997421 is a wasteful number, since it uses less digits than its factorization.

469997421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234251.

The product of its digits is 979776, while the sum is 51.

The square root of 469997421 is about 21679.4239083976. The cubic root of 469997421 is about 777.4965876271.

The spelling of 469997421 in words is "four hundred sixty-nine million, nine hundred ninety-seven thousand, four hundred twenty-one".