1904492 has 24 divisors (see below), whose sum is σ = 3526656. Its totient is φ = 898128.

The previous prime is 1904489. The next prime is 1904509. The reversal of 1904492 is 2944091.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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, 11603 + ... + 11765.

It is an arithmetic number, because the mean of its divisors is an integer number (146944).

2^1904492 is an apocalyptic number.

It is an amenable number.

1904492 is a deficient number, since it is larger than the sum of its proper divisors (1622164).

1904492 is a wasteful number, since it uses less digits than its factorization.

1904492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1904492 is about 1380.0333329308. The cubic root of 1904492 is about 123.9537635456.

The spelling of 1904492 in words is "one million, nine hundred four thousand, four hundred ninety-two".