429188396 has 48 divisors (see below), whose sum is σ = 944111616. Its totient is φ = 166169664.

The previous prime is 429188387. The next prime is 429188401. The reversal of 429188396 is 693881924.

It is a happy number.

It is a super-2 number, since 2×429188396² = 368405358522105632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4565 + ... + 29651.

It is an arithmetic number, because the mean of its divisors is an integer number (19668992).

Almost surely, 2^429188396 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 429188396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472055808).

429188396 is an abundant number, since it is smaller than the sum of its proper divisors (514923220).

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

429188396 is a wasteful number, since it uses less digits than its factorization.

429188396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25158 (or 25156 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 429188396 is about 20716.8626003070. The cubic root of 429188396 is about 754.3090595569.

The spelling of 429188396 in words is "four hundred twenty-nine million, one hundred eighty-eight thousand, three hundred ninety-six".