3993741156 has 12 divisors (see below), whose sum is σ = 9318729392. Its totient is φ = 1331247048.

The previous prime is 3993741151. The next prime is 3993741163. The reversal of 3993741156 is 6511473993.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3993741156² = 31899936842256432672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3993741151) 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 3 ways as a sum of consecutive naturals, for example, 166405870 + ... + 166405893.

Almost surely, 2^3993741156 is an apocalyptic number.

It is an amenable number.

3993741156 is an abundant number, since it is smaller than the sum of its proper divisors (5324988236).

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

3993741156 is a wasteful number, since it uses less digits than its factorization.

3993741156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332811770 (or 332811768 counting only the distinct ones).

The product of its digits is 612360, while the sum is 48.

The square root of 3993741156 is about 63196.0533261374. The cubic root of 3993741156 is about 1586.5726784670.

The spelling of 3993741156 in words is "three billion, nine hundred ninety-three million, seven hundred forty-one thousand, one hundred fifty-six".