3946435730 has 64 divisors (see below), whose sum is σ = 7421476608. Its totient is φ = 1509795840.

The previous prime is 3946435729. The next prime is 3946435751. The reversal of 3946435730 is 375346493.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4771577 + ... + 4772403.

It is an arithmetic number, because the mean of its divisors is an integer number (115960572).

Almost surely, 2^3946435730 is an apocalyptic number.

3946435730 is a deficient number, since it is larger than the sum of its proper divisors (3475040878).

3946435730 is a wasteful number, since it uses less digits than its factorization.

3946435730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091.

The product of its (nonzero) digits is 816480, while the sum is 44.

The square root of 3946435730 is about 62820.6632406886. The cubic root of 3946435730 is about 1580.2835214649.

The spelling of 3946435730 in words is "three billion, nine hundred forty-six million, four hundred thirty-five thousand, seven hundred thirty".