428169476 has 48 divisors (see below), whose sum is σ = 892023552. Its totient is φ = 175996800.

The previous prime is 428169473. The next prime is 428169479. The reversal of 428169476 is 674961824.

It is an interprime number because it is at equal distance from previous prime (428169473) and next prime (428169479).

It is a super-2 number, since 2×428169476² = 366658200356229152, 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 428169476.

It is not an unprimeable number, because it can be changed into a prime (428169473) 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 15 ways as a sum of consecutive naturals, for example, 70646 + ... + 76466.

It is an arithmetic number, because the mean of its divisors is an integer number (18583824).

Almost surely, 2^428169476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428169476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446011776).

428169476 is an abundant number, since it is smaller than the sum of its proper divisors (463854076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428169476 is a wasteful number, since it uses less digits than its factorization.

428169476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940 (or 5938 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 428169476 is about 20692.2564260160. The cubic root of 428169476 is about 753.7116609809.

The spelling of 428169476 in words is "four hundred twenty-eight million, one hundred sixty-nine thousand, four hundred seventy-six".