429331 has 4 divisors (see below), whose sum is σ = 490672. Its totient is φ = 367992.

The previous prime is 429329. The next prime is 429347. The reversal of 429331 is 133924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 429331 - 2¹ = 429329 is a prime.

It is a super-2 number, since 2×429331² = 368650215122, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (429361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30660 + ... + 30673.

It is an arithmetic number, because the mean of its divisors is an integer number (122668).

2⁴²⁹³³¹ is an apocalyptic number.

429331 is a deficient number, since it is larger than the sum of its proper divisors (61341).

429331 is an equidigital number, since it uses as much as digits as its factorization.

429331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61340.

The product of its digits is 648, while the sum is 22.

The square root of 429331 is about 655.2335461498. The cubic root of 429331 is about 75.4392593640.

The spelling of 429331 in words is "four hundred twenty-nine thousand, three hundred thirty-one".