3986536398 has 16 divisors (see below), whose sum is σ = 8586386256. Its totient is φ = 1226626560.

The previous prime is 3986536373. The next prime is 3986536427. The reversal of 3986536398 is 8936356893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25554643 + ... + 25554798.

It is an arithmetic number, because the mean of its divisors is an integer number (536649141).

Almost surely, 2^3986536398 is an apocalyptic number.

3986536398 is an abundant number, since it is smaller than the sum of its proper divisors (4599849858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3986536398 is a wasteful number, since it uses less digits than its factorization.

3986536398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51109459.

The product of its digits is 25194240, while the sum is 60.

The square root of 3986536398 is about 63139.0243668684. The cubic root of 3986536398 is about 1585.6180386561.

The spelling of 3986536398 in words is "three billion, nine hundred eighty-six million, five hundred thirty-six thousand, three hundred ninety-eight".