4019924 has 6 divisors (see below), whose sum is σ = 7034874. Its totient is φ = 2009960.

The previous prime is 4019909. The next prime is 4019993. The reversal of 4019924 is 4299104.

It can be written as a sum of positive squares in only one way, i.e., 2999824 + 1020100 = 1732^2 + 1010^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502487 + ... + 502494.

It is an arithmetic number, because the mean of its divisors is an integer number (1172479).

Almost surely, 2^4019924 is an apocalyptic number.

It is an amenable number.

4019924 is a deficient number, since it is larger than the sum of its proper divisors (3014950).

4019924 is a wasteful number, since it uses less digits than its factorization.

4019924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004985 (or 1004983 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 4019924 is about 2004.9748128094. The cubic root of 4019924 is about 159.0032302918.

The spelling of 4019924 in words is "four million, nineteen thousand, nine hundred twenty-four".