1904964 has 12 divisors (see below), whose sum is σ = 4444944. Its totient is φ = 634984.

The previous prime is 1904963. The next prime is 1904971. The reversal of 1904964 is 4694091.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1904963) 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, 79362 + ... + 79385.

It is an arithmetic number, because the mean of its divisors is an integer number (370412).

2^1904964 is an apocalyptic number.

It is an amenable number.

1904964 is an abundant number, since it is smaller than the sum of its proper divisors (2539980).

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

1904964 is a wasteful number, since it uses less digits than its factorization.

1904964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158754 (or 158752 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1904964 is about 1380.2043326986. The cubic root of 1904964 is about 123.9640027317.

The spelling of 1904964 in words is "one million, nine hundred four thousand, nine hundred sixty-four".