3998830783 has 4 divisors (see below), whose sum is σ = 4064385448. Its totient is φ = 3933276120.

The previous prime is 3998830757. The next prime is 3998830799. The reversal of 3998830783 is 3870388993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3870388993 = 317 ⋅12209429.

It is a cyclic number.

It is not a de Polignac number, because 3998830783 - 2⁵ = 3998830751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998830753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32777241 + ... + 32777362.

It is an arithmetic number, because the mean of its divisors is an integer number (1016096362).

Almost surely, 2^3998830783 is an apocalyptic number.

3998830783 is a deficient number, since it is larger than the sum of its proper divisors (65554665).

3998830783 is an equidigital number, since it uses as much as digits as its factorization.

3998830783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65554664.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The square root of 3998830783 is about 63236.3090557948. The cubic root of 3998830783 is about 1587.2463688711.

The spelling of 3998830783 in words is "three billion, nine hundred ninety-eight million, eight hundred thirty thousand, seven hundred eighty-three".