1942904 has 8 divisors (see below), whose sum is σ = 3642960. Its totient is φ = 971448.

The previous prime is 1942901. The next prime is 1942909. The reversal of 1942904 is 4092491.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121424 + ... + 121439.

It is an arithmetic number, because the mean of its divisors is an integer number (455370).

2^1942904 is an apocalyptic number.

It is an amenable number.

1942904 is a deficient number, since it is larger than the sum of its proper divisors (1700056).

1942904 is a wasteful number, since it uses less digits than its factorization.

1942904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242869 (or 242865 counting only the distinct ones).

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

The square root of 1942904 is about 1393.8809131343. The cubic root of 1942904 is about 124.7815705309.

The spelling of 1942904 in words is "one million, nine hundred forty-two thousand, nine hundred four".