3798621243 has 24 divisors (see below), whose sum is σ = 5703127248. Its totient is φ = 2434266432.

The previous prime is 3798621217. The next prime is 3798621257. The reversal of 3798621243 is 3421268973.

It is not a de Polignac number, because 3798621243 - 2¹⁶ = 3798555707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3798621643) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 41080 + ... + 96357.

It is an arithmetic number, because the mean of its divisors is an integer number (237630302).

Almost surely, 2^3798621243 is an apocalyptic number.

3798621243 is a deficient number, since it is larger than the sum of its proper divisors (1904506005).

3798621243 is a wasteful number, since it uses less digits than its factorization.

3798621243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137563 (or 137560 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 3798621243 is about 61632.9558191070. The cubic root of 3798621243 is about 1560.3019965138.

The spelling of 3798621243 in words is "three billion, seven hundred ninety-eight million, six hundred twenty-one thousand, two hundred forty-three".