3946981402 has 32 divisors (see below), whose sum is σ = 7291468800. Its totient is φ = 1560428928.

The previous prime is 3946981361. The next prime is 3946981459. The reversal of 3946981402 is 2041896493.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 313974 + ... + 326302.

It is an arithmetic number, because the mean of its divisors is an integer number (227858400).

Almost surely, 2^3946981402 is an apocalyptic number.

3946981402 is a deficient number, since it is larger than the sum of its proper divisors (3344487398).

3946981402 is a wasteful number, since it uses less digits than its factorization.

3946981402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14110.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 3946981402 is about 62825.0061838437. The cubic root of 3946981402 is about 1580.3563531530.

The spelling of 3946981402 in words is "three billion, nine hundred forty-six million, nine hundred eighty-one thousand, four hundred two".