402942383 has 8 divisors (see below), whose sum is σ = 413463120. Its totient is φ = 392454720.

The previous prime is 402942373. The next prime is 402942389. The reversal of 402942383 is 383249204.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402942383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402942389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17441 + ... + 33317.

It is an arithmetic number, because the mean of its divisors is an integer number (51682890).

Almost surely, 2^402942383 is an apocalyptic number.

402942383 is a deficient number, since it is larger than the sum of its proper divisors (10520737).

402942383 is a wasteful number, since it uses less digits than its factorization.

402942383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16537.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 402942383 is about 20073.4247949870. The cubic root of 402942383 is about 738.6085264996.

The spelling of 402942383 in words is "four hundred two million, nine hundred forty-two thousand, three hundred eighty-three".