3998700213 has 32 divisors (see below), whose sum is σ = 5652025344. Its totient is φ = 2509522752.

The previous prime is 3998700163. The next prime is 3998700253. The reversal of 3998700213 is 3120078993.

It is not a de Polignac number, because 3998700213 - 2¹⁸ = 3998438069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998700253) 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 31 ways as a sum of consecutive naturals, for example, 1676820 + ... + 1679202.

It is an arithmetic number, because the mean of its divisors is an integer number (176625792).

Almost surely, 2^3998700213 is an apocalyptic number.

It is an amenable number.

3998700213 is a deficient number, since it is larger than the sum of its proper divisors (1653325131).

3998700213 is a wasteful number, since it uses less digits than its factorization.

3998700213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 3998700213 is about 63235.2766499839. The cubic root of 3998700213 is about 1587.2290930701.

The spelling of 3998700213 in words is "three billion, nine hundred ninety-eight million, seven hundred thousand, two hundred thirteen".