3973863946 has 16 divisors (see below), whose sum is σ = 6757178400. Its totient is φ = 1737559728.

The previous prime is 3973863941. The next prime is 3973863953. The reversal of 3973863946 is 6493683793.

3973863946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3973863946² = 31583189322637381832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3973863941) 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, 4021636 + ... + 4022623.

It is an arithmetic number, because the mean of its divisors is an integer number (422323650).

Almost surely, 2^3973863946 is an apocalyptic number.

3973863946 is a deficient number, since it is larger than the sum of its proper divisors (2783314454).

3973863946 is a wasteful number, since it uses less digits than its factorization.

3973863946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044293.

The product of its digits is 17635968, while the sum is 58.

The square root of 3973863946 is about 63038.5909265110. The cubic root of 3973863946 is about 1583.9361277194.

It can be divided in two parts, 39738 and 63946, that added together give a square (103684 = 322²).

The spelling of 3973863946 in words is "three billion, nine hundred seventy-three million, eight hundred sixty-three thousand, nine hundred forty-six".