3942397974 has 16 divisors (see below), whose sum is σ = 7913894400. Its totient is φ = 1309282920.

The previous prime is 3942397973. The next prime is 3942397997. The reversal of 3942397974 is 4797932493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942397973) 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 7 ways as a sum of consecutive naturals, for example, 1210674 + ... + 1213925.

It is an arithmetic number, because the mean of its divisors is an integer number (494618400).

Almost surely, 2^3942397974 is an apocalyptic number.

3942397974 is an abundant number, since it is smaller than the sum of its proper divisors (3971496426).

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

3942397974 is a wasteful number, since it uses less digits than its factorization.

3942397974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424875.

The product of its digits is 10287648, while the sum is 57.

The square root of 3942397974 is about 62788.5178515945. The cubic root of 3942397974 is about 1579.7443871595.

The spelling of 3942397974 in words is "three billion, nine hundred forty-two million, three hundred ninety-seven thousand, nine hundred seventy-four".