3919994452 has 48 divisors (see below), whose sum is σ = 7697954880. Its totient is φ = 1730937600.

The previous prime is 3919994431. The next prime is 3919994473. The reversal of 3919994452 is 2544999193.

It is an interprime number because it is at equal distance from previous prime (3919994431) and next prime (3919994473).

It is a junction number, because it is equal to n+sod(n) for n = 3919994393 and 3919994402.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1318824 + ... + 1321792.

It is an arithmetic number, because the mean of its divisors is an integer number (160374060).

Almost surely, 2^3919994452 is an apocalyptic number.

It is an amenable number.

3919994452 is a deficient number, since it is larger than the sum of its proper divisors (3777960428).

3919994452 is a wasteful number, since it uses less digits than its factorization.

3919994452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832 (or 3830 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 55.

The square root of 3919994452 is about 62609.8590638887. The cubic root of 3919994452 is about 1576.7462887608.

The spelling of 3919994452 in words is "three billion, nine hundred nineteen million, nine hundred ninety-four thousand, four hundred fifty-two".