402335449 has 4 divisors (see below), whose sum is σ = 403604964. Its totient is φ = 401065936.

The previous prime is 402335411. The next prime is 402335467. The reversal of 402335449 is 944533204.

It is a happy number.

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 152695449 + 249640000 = 12357^2 + 15800^2 .

It is a cyclic number.

It is not a de Polignac number, because 402335449 - 2¹¹ = 402333401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402335489) 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 3 ways as a sum of consecutive naturals, for example, 634282 + ... + 634915.

It is an arithmetic number, because the mean of its divisors is an integer number (100901241).

Almost surely, 2^402335449 is an apocalyptic number.

It is an amenable number.

402335449 is a deficient number, since it is larger than the sum of its proper divisors (1269515).

402335449 is a wasteful number, since it uses less digits than its factorization.

402335449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269514.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 402335449 is about 20058.3012491088. The cubic root of 402335449 is about 738.2374958735.

The spelling of 402335449 in words is "four hundred two million, three hundred thirty-five thousand, four hundred forty-nine".