1904396 has 24 divisors (see below), whose sum is σ = 3662064. Its totient is φ = 861120.

The previous prime is 1904311. The next prime is 1904407. The reversal of 1904396 is 6934091.

It is a Smith number, since the sum of its digits (32) 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, 2411 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (152586).

2^1904396 is an apocalyptic number.

It is an amenable number.

1904396 is a deficient number, since it is larger than the sum of its proper divisors (1757668).

1904396 is a wasteful number, since it uses less digits than its factorization.

1904396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1904396 is about 1379.9985507239. The cubic root of 1904396 is about 123.9516807923.

The spelling of 1904396 in words is "one million, nine hundred four thousand, three hundred ninety-six".