3438921366 has 16 divisors (see below), whose sum is σ = 7642047600. Its totient is φ = 1146307104.

The previous prime is 3438921361. The next prime is 3438921379. The reversal of 3438921366 is 6631298343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438921361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31841811 + ... + 31841918.

It is an arithmetic number, because the mean of its divisors is an integer number (477627975).

Almost surely, 2^3438921366 is an apocalyptic number.

3438921366 is an abundant number, since it is smaller than the sum of its proper divisors (4203126234).

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

3438921366 is a wasteful number, since it uses less digits than its factorization.

3438921366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63683740 (or 63683734 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 3438921366 is about 58642.3171950086. The cubic root of 3438921366 is about 1509.4106680819.

It can be divided in two parts, 34389 and 21366, that added together give a palindrome (55755).

The spelling of 3438921366 in words is "three billion, four hundred thirty-eight million, nine hundred twenty-one thousand, three hundred sixty-six".