402341329 has 8 divisors (see below), whose sum is σ = 458778600. Its totient is φ = 349545216.

The previous prime is 402341327. The next prime is 402341333. The reversal of 402341329 is 923143204.

It can be written as a sum of positive squares in 4 ways, for example, as 144000000 + 258341329 = 12000^2 + 16073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402341329 - 2¹ = 402341327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402341297 and 402341306.

It is not an unprimeable number, because it can be changed into a prime (402341327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910054 + ... + 910495.

It is an arithmetic number, because the mean of its divisors is an integer number (57347325).

Almost surely, 2^402341329 is an apocalyptic number.

It is an amenable number.

402341329 is a deficient number, since it is larger than the sum of its proper divisors (56437271).

402341329 is a wasteful number, since it uses less digits than its factorization.

402341329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820579.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 402341329 is about 20058.4478213046. The cubic root of 402341329 is about 738.2410922218.

The spelling of 402341329 in words is "four hundred two million, three hundred forty-one thousand, three hundred twenty-nine".