1904241 has 4 divisors (see below), whose sum is σ = 2538992. Its totient is φ = 1269492.

The previous prime is 1904233. The next prime is 1904249. The reversal of 1904241 is 1424091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1904233) and next prime (1904249).

It is not a de Polignac number, because 1904241 - 2³ = 1904233 is a prime.

It is a super-2 number, since 2×1904241² = 7252267572162, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1904249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317371 + ... + 317376.

It is an arithmetic number, because the mean of its divisors is an integer number (634748).

2^1904241 is an apocalyptic number.

It is an amenable number.

1904241 is a deficient number, since it is larger than the sum of its proper divisors (634751).

1904241 is an equidigital number, since it uses as much as digits as its factorization.

1904241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634750.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1904241 is about 1379.9423901018. The cubic root of 1904241 is about 123.9483178657.

It can be divided in two parts, 1904 and 241, that added together give a triangular number (2145 = T₆₅).

The spelling of 1904241 in words is "one million, nine hundred four thousand, two hundred forty-one".