1904612 has 24 divisors (see below), whose sum is σ = 3629304. Its totient is φ = 870912.

The previous prime is 1904597. The next prime is 1904621. The reversal of 1904612 is 2164091.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1032256 + 872356 = 1016^2 + 934^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2138 + ... + 2894.

It is an arithmetic number, because the mean of its divisors is an integer number (151221).

2^1904612 is an apocalyptic number.

It is an amenable number.

1904612 is a deficient number, since it is larger than the sum of its proper divisors (1724692).

1904612 is a wasteful number, since it uses less digits than its factorization.

1904612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1904612 is about 1380.0768094566. The cubic root of 1904612 is about 123.9563668889.

The spelling of 1904612 in words is "one million, nine hundred four thousand, six hundred twelve".