1904361 has 8 divisors (see below), whose sum is σ = 2621184. Its totient is φ = 1228560.

The previous prime is 1904311. The next prime is 1904407. The reversal of 1904361 is 1634091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1904361 - 2⁶ = 1904297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1904311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10146 + ... + 10331.

It is an arithmetic number, because the mean of its divisors is an integer number (327648).

2^1904361 is an apocalyptic number.

It is an amenable number.

1904361 is a deficient number, since it is larger than the sum of its proper divisors (716823).

1904361 is a wasteful number, since it uses less digits than its factorization.

1904361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20511.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1904361 is about 1379.9858694929. The cubic root of 1904361 is about 123.9509214377.

The spelling of 1904361 in words is "one million, nine hundred four thousand, three hundred sixty-one".