1924005 has 16 divisors (see below), whose sum is σ = 3185280. Its totient is φ = 990528.

The previous prime is 1924003. The next prime is 1924031. The reversal of 1924005 is 5004291.

It is not a de Polignac number, because 1924005 - 2¹ = 1924003 is a prime.

It is a congruent number.

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

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 in 15 ways as a sum of consecutive naturals, for example, 1777 + ... + 2646.

It is an arithmetic number, because the mean of its divisors is an integer number (199080).

2^1924005 is an apocalyptic number.

1924005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1924005 is a deficient number, since it is larger than the sum of its proper divisors (1261275).

1924005 is a wasteful number, since it uses less digits than its factorization.

1924005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1924005 is about 1387.0850730939. The cubic root of 1924005 is about 124.3756601229.

Adding to 1924005 its reverse (5004291), we get a palindrome (6928296).

The spelling of 1924005 in words is "one million, nine hundred twenty-four thousand, five".