3721851346 has 8 divisors (see below), whose sum is σ = 5583970764. Its totient is φ = 1860527760.

The previous prime is 3721851323. The next prime is 3721851379. The reversal of 3721851346 is 6431581273.

It can be written as a sum of positive squares in 2 ways, for example, as 3006877225 + 714974121 = 54835^2 + 26739^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3721851299 and 3721851308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187125 + ... + 206056.

Almost surely, 2^3721851346 is an apocalyptic number.

3721851346 is a deficient number, since it is larger than the sum of its proper divisors (1862119418).

3721851346 is a wasteful number, since it uses less digits than its factorization.

3721851346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397916.

The product of its digits is 120960, while the sum is 40.

The square root of 3721851346 is about 61006.9778468004. The cubic root of 3721851346 is about 1549.7191785390.

The spelling of 3721851346 in words is "three billion, seven hundred twenty-one million, eight hundred fifty-one thousand, three hundred forty-six".