1954004 has 24 divisors (see below), whose sum is σ = 3757320. Its totient is φ = 883584.

The previous prime is 1954003. The next prime is 1954033. The reversal of 1954004 is 4004591.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21904 + 1932100 = 148^2 + 1390^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2402 + ... + 3110.

It is an arithmetic number, because the mean of its divisors is an integer number (156555).

2^1954004 is an apocalyptic number.

It is an amenable number.

1954004 is a deficient number, since it is larger than the sum of its proper divisors (1803316).

1954004 is a wasteful number, since it uses less digits than its factorization.

1954004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1954004 is about 1397.8569311628. The cubic root of 1954004 is about 125.0187491876.

Adding to 1954004 its reverse (4004591), we get a palindrome (5958595).

The spelling of 1954004 in words is "one million, nine hundred fifty-four thousand, four".