403429 has 4 divisors (see below), whose sum is σ = 434476. Its totient is φ = 372384.

The previous prime is 403391. The next prime is 403433. The reversal of 403429 is 924304.

403429 is nontrivially palindromic in base 12.

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

It can be written as a sum of positive squares in 2 ways, for example, as 158404 + 245025 = 398^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 403429 - 2⁷ = 403301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 403429.

It is not an unprimeable number, because it can be changed into a prime (403439) 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 3 ways as a sum of consecutive naturals, for example, 15504 + ... + 15529.

It is an arithmetic number, because the mean of its divisors is an integer number (108619).

2⁴⁰³⁴²⁹ is an apocalyptic number.

It is an amenable number.

403429 is a deficient number, since it is larger than the sum of its proper divisors (31047).

403429 is a wasteful number, since it uses less digits than its factorization.

403429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31046.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 403429 is about 635.1606096099. The cubic root of 403429 is about 73.8905735970.

The spelling of 403429 in words is "four hundred three thousand, four hundred twenty-nine".