472820469 has 16 divisors (see below), whose sum is σ = 689392704. Its totient is φ = 285868800.

The previous prime is 472820461. The next prime is 472820479. The reversal of 472820469 is 964028274.

It is not a de Polignac number, because 472820469 - 2³ = 472820461 is a prime.

It is a super-2 number, since 2×472820469² = 447118391810759922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 472820469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472820461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3124 + ... + 30909.

It is an arithmetic number, because the mean of its divisors is an integer number (43087044).

Almost surely, 2^472820469 is an apocalyptic number.

It is an amenable number.

472820469 is a deficient number, since it is larger than the sum of its proper divisors (216572235).

472820469 is a wasteful number, since it uses less digits than its factorization.

472820469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34468.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 472820469 is about 21744.4353571207. The cubic root of 472820469 is about 779.0501636722.

The spelling of 472820469 in words is "four hundred seventy-two million, eight hundred twenty thousand, four hundred sixty-nine".