1904912 has 10 divisors (see below), whose sum is σ = 3690798. Its totient is φ = 952448.

The previous prime is 1904897. The next prime is 1904939. The reversal of 1904912 is 2194091.

It can be written as a sum of positive squares in only one way, i.e., 1731856 + 173056 = 1316^2 + 416^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59513 + ... + 59544.

2^1904912 is an apocalyptic number.

It is an amenable number.

1904912 is a deficient number, since it is larger than the sum of its proper divisors (1785886).

1904912 is a wasteful number, since it uses less digits than its factorization.

1904912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119065 (or 119059 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1904912 is about 1380.1854947796. The cubic root of 1904912 is about 123.9628747687.

The spelling of 1904912 in words is "one million, nine hundred four thousand, nine hundred twelve".