3954145924 has 27 divisors (see below), whose sum is σ = 7238990647. Its totient is φ = 1889729864.

The previous prime is 3954145873. The next prime is 3954145939. The reversal of 3954145924 is 4295414593.

The square root of 3954145924 is 62882.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2891889 + ... + 2893255.

Almost surely, 2^3954145924 is an apocalyptic number.

3954145924 is the 62882-nd square number.

It is an amenable number.

3954145924 is a deficient number, since it is larger than the sum of its proper divisors (3284844723).

3954145924 is an equidigital number, since it uses as much as digits as its factorization.

3954145924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784 (or 1392 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The cubic root of 3954145924 is about 1581.3119909581.

It can be divided in two parts, 3954 and 145924, that added together give a triangular number (149878 = T₅₄₇).

The spelling of 3954145924 in words is "three billion, nine hundred fifty-four million, one hundred forty-five thousand, nine hundred twenty-four".