1904671441 has 16 divisors (see below), whose sum is σ = 1996738128. Its totient is φ = 1815091200.

The previous prime is 1904671411. The next prime is 1904671477. The reversal of 1904671441 is 1441764091.

It can be written as a sum of positive squares in 8 ways, for example, as 219158416 + 1685513025 = 14804^2 + 41055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1904671441 - 2⁵ = 1904671409 is a prime.

It is a super-2 number, since 2×1904671441² = 7255546596322032962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1904671441.

It is not an unprimeable number, because it can be changed into a prime (1904671411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521875 + ... + 525511.

It is an arithmetic number, because the mean of its divisors is an integer number (124796133).

Almost surely, 2^1904671441 is an apocalyptic number.

It is an amenable number.

1904671441 is a deficient number, since it is larger than the sum of its proper divisors (92066687).

1904671441 is a wasteful number, since it uses less digits than its factorization.

1904671441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1904671441 is about 43642.5416423013. The cubic root of 1904671441 is about 1239.5765639280.

The spelling of 1904671441 in words is "one billion, nine hundred four million, six hundred seventy-one thousand, four hundred forty-one".