1925904 has 20 divisors (see below), whose sum is σ = 4975376. Its totient is φ = 641952.

The previous prime is 1925899. The next prime is 1925909. The reversal of 1925904 is 4095291.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1925899) and next prime (1925909).

It is not an unprimeable number, because it can be changed into a prime (1925909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20014 + ... + 20109.

2^1925904 is an apocalyptic number.

It is an amenable number.

1925904 is an abundant number, since it is smaller than the sum of its proper divisors (3049472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1925904 is a wasteful number, since it uses less digits than its factorization.

1925904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40134 (or 40128 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1925904 is about 1387.7694332994. The cubic root of 1925904 is about 124.4165664121.

The spelling of 1925904 in words is "one million, nine hundred twenty-five thousand, nine hundred four".