1924004 has 6 divisors (see below), whose sum is σ = 3367014. Its totient is φ = 962000.

The previous prime is 1924003. The next prime is 1924031. The reversal of 1924004 is 4004291.

It can be written as a sum of positive squares in only one way, i.e., 1827904 + 96100 = 1352^2 + 310^2 .

It is not an unprimeable number, because it can be changed into a prime (1924003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240497 + ... + 240504.

It is an arithmetic number, because the mean of its divisors is an integer number (561169).

2^1924004 is an apocalyptic number.

It is an amenable number.

1924004 is a deficient number, since it is larger than the sum of its proper divisors (1443010).

1924004 is a wasteful number, since it uses less digits than its factorization.

1924004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481005 (or 481003 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1924004 is about 1387.0847126257. The cubic root of 1924004 is about 124.3756385749.

Adding to 1924004 its reverse (4004291), we get a palindrome (5928295).

The spelling of 1924004 in words is "one million, nine hundred twenty-four thousand, four".