402246386 has 16 divisors (see below), whose sum is σ = 611942688. Its totient is φ = 198276000.

The previous prime is 402246371. The next prime is 402246389. The reversal of 402246386 is 683642204.

It is not an unprimeable number, because it can be changed into a prime (402246389) 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 7 ways as a sum of consecutive naturals, for example, 84161 + ... + 88811.

It is an arithmetic number, because the mean of its divisors is an integer number (38246418).

Almost surely, 2^402246386 is an apocalyptic number.

402246386 is a deficient number, since it is larger than the sum of its proper divisors (209696302).

402246386 is a wasteful number, since it uses less digits than its factorization.

402246386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 402246386 is about 20056.0810229716. The cubic root of 402246386 is about 738.1830185309.

The spelling of 402246386 in words is "four hundred two million, two hundred forty-six thousand, three hundred eighty-six".