402334429 has 16 divisors (see below), whose sum is σ = 485798400. Its totient is φ = 325874304.

The previous prime is 402334417. The next prime is 402334441. The reversal of 402334429 is 924433204.

It is an interprime number because it is at equal distance from previous prime (402334417) and next prime (402334441).

It is not a de Polignac number, because 402334429 - 2⁷ = 402334301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402334429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402034429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11544 + ... + 30625.

It is an arithmetic number, because the mean of its divisors is an integer number (30362400).

Almost surely, 2^402334429 is an apocalyptic number.

It is an amenable number.

402334429 is a deficient number, since it is larger than the sum of its proper divisors (83463971).

402334429 is a wasteful number, since it uses less digits than its factorization.

402334429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42252.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 402334429 is about 20058.2758232107. The cubic root of 402334429 is about 738.2368720135.

The spelling of 402334429 in words is "four hundred two million, three hundred thirty-four thousand, four hundred twenty-nine".