3965361798 has 16 divisors (see below), whose sum is σ = 8065143360. Its totient is φ = 1299383976.

The previous prime is 3965361797. The next prime is 3965361823. The reversal of 3965361798 is 8971635693.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965361793) 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 7 ways as a sum of consecutive naturals, for example, 5600440 + ... + 5601147.

It is an arithmetic number, because the mean of its divisors is an integer number (504071460).

Almost surely, 2^3965361798 is an apocalyptic number.

3965361798 is an abundant number, since it is smaller than the sum of its proper divisors (4099781562).

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

3965361798 is a wasteful number, since it uses less digits than its factorization.

3965361798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201651.

The product of its digits is 7348320, while the sum is 57.

The square root of 3965361798 is about 62971.1187609050. The cubic root of 3965361798 is about 1582.8057019185.

The spelling of 3965361798 in words is "three billion, nine hundred sixty-five million, three hundred sixty-one thousand, seven hundred ninety-eight".