3403720994 has 8 divisors (see below), whose sum is σ = 5405909868. Its totient is φ = 1601751040.

The previous prime is 3403720967. The next prime is 3403720997. The reversal of 3403720994 is 4990273043.

It can be written as a sum of positive squares in 2 ways, for example, as 3256414225 + 147306769 = 57065^2 + 12137^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3403720997) 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 3 ways as a sum of consecutive naturals, for example, 50054687 + ... + 50054754.

Almost surely, 2^3403720994 is an apocalyptic number.

3403720994 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3403720994 is a deficient number, since it is larger than the sum of its proper divisors (2002188874).

3403720994 is a wasteful number, since it uses less digits than its factorization.

3403720994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100109460.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 3403720994 is about 58341.4174836368. The cubic root of 3403720994 is about 1504.2429490137.

The spelling of 3403720994 in words is "three billion, four hundred three million, seven hundred twenty thousand, nine hundred ninety-four".