402986382 has 8 divisors (see below), whose sum is σ = 805972776. Its totient is φ = 134328792.

The previous prime is 402986369. The next prime is 402986399. The reversal of 402986382 is 283689204.

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

402986382 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33582193 + ... + 33582204.

It is an arithmetic number, because the mean of its divisors is an integer number (100746597).

Almost surely, 2^402986382 is an apocalyptic number.

402986382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402986382 is a wasteful number, since it uses less digits than its factorization.

402986382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67164402.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 402986382 is about 20074.5207165700. The cubic root of 402986382 is about 738.6354094611.

The spelling of 402986382 in words is "four hundred two million, nine hundred eighty-six thousand, three hundred eighty-two".