3974940351 has 8 divisors (see below), whose sum is σ = 5888800560. Its totient is φ = 2649960216.

The previous prime is 3974940337. The next prime is 3974940367. The reversal of 3974940351 is 1530494793.

It is not a de Polignac number, because 3974940351 - 2¹⁸ = 3974678207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3974940297 and 3974940306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974940371) 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, 73609980 + ... + 73610033.

It is an arithmetic number, because the mean of its divisors is an integer number (736100070).

Almost surely, 2^3974940351 is an apocalyptic number.

3974940351 is a deficient number, since it is larger than the sum of its proper divisors (1913860209).

3974940351 is a wasteful number, since it uses less digits than its factorization.

3974940351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147220022 (or 147220016 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 3974940351 is about 63047.1280154774. The cubic root of 3974940351 is about 1584.0791289958.

The spelling of 3974940351 in words is "three billion, nine hundred seventy-four million, nine hundred forty thousand, three hundred fifty-one".