429988 has 12 divisors (see below), whose sum is σ = 810460. Its totient is φ = 198432.

The previous prime is 429973. The next prime is 429991. The reversal of 429988 is 889924.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 238144 + 191844 = 488^2 + 438^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 429988.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4083 + ... + 4186.

2⁴²⁹⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

429988 is a deficient number, since it is larger than the sum of its proper divisors (380472).

429988 is a wasteful number, since it uses less digits than its factorization.

429988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8286 (or 8284 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 429988 is about 655.7347024521. The cubic root of 429988 is about 75.4777210115.

It can be divided in two parts, 4 and 29988, that added together give a palindrome (29992).

The spelling of 429988 in words is "four hundred twenty-nine thousand, nine hundred eighty-eight".