424103428 has 36 divisors (see below), whose sum is σ = 875209692. Its totient is φ = 179262720.

The previous prime is 424103401. The next prime is 424103429. The reversal of 424103428 is 824301424.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 335329344 + 88774084 = 18312^2 + 9422^2 .

It is a super-3 number, since 3×424103428³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 424103396 and 424103405.

It is not an unprimeable number, because it can be changed into a prime (424103429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513 + ... + 29128.

Almost surely, 2^424103428 is an apocalyptic number.

It is an amenable number.

424103428 is an abundant number, since it is smaller than the sum of its proper divisors (451106264).

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

424103428 is a wasteful number, since it uses less digits than its factorization.

424103428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29732 (or 29723 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 424103428 is about 20593.7715826898. The cubic root of 424103428 is about 751.3182315891.

The spelling of 424103428 in words is "four hundred twenty-four million, one hundred three thousand, four hundred twenty-eight".