1940904 has 48 divisors (see below), whose sum is σ = 6009120. Its totient is φ = 554400.

The previous prime is 1940903. The next prime is 1940929. The reversal of 1940904 is 4090491.

It is not an unprimeable number, because it can be changed into a prime (1940903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1422 + ... + 2429.

It is an arithmetic number, because the mean of its divisors is an integer number (125190).

2^1940904 is an apocalyptic number.

1940904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1940904 is an abundant number, since it is smaller than the sum of its proper divisors (4068216).

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

1940904 is a wasteful number, since it uses less digits than its factorization.

1940904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870 (or 3863 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1940904 is about 1393.1633070103. The cubic root of 1940904 is about 124.7387396580.

The spelling of 1940904 in words is "one million, nine hundred forty thousand, nine hundred four".