3968401726 has 32 divisors (see below), whose sum is σ = 6262411680. Its totient is φ = 1884211200.

The previous prime is 3968401709. The next prime is 3968401741. The reversal of 3968401726 is 6271048693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481105 + ... + 489283.

It is an arithmetic number, because the mean of its divisors is an integer number (195700365).

Almost surely, 2^3968401726 is an apocalyptic number.

3968401726 is a deficient number, since it is larger than the sum of its proper divisors (2294009954).

3968401726 is a wasteful number, since it uses less digits than its factorization.

3968401726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 3968401726 is about 62995.2516147051. The cubic root of 3968401726 is about 1583.2100690842.

The spelling of 3968401726 in words is "three billion, nine hundred sixty-eight million, four hundred one thousand, seven hundred twenty-six".