1904048641 has 8 divisors (see below), whose sum is σ = 2087908704. Its totient is φ = 1721982720.

The previous prime is 1904048611. The next prime is 1904048717. The reversal of 1904048641 is 1468404091.

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

It is a cyclic number.

It is not a de Polignac number, because 1904048641 - 2⁷ = 1904048513 is a prime.

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 1904048641.

It is not an unprimeable number, because it can be changed into a prime (1904048611) 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, 446311 + ... + 450556.

It is an arithmetic number, because the mean of its divisors is an integer number (260988588).

Almost surely, 2^1904048641 is an apocalyptic number.

1904048641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1904048641 is a deficient number, since it is larger than the sum of its proper divisors (183860063).

1904048641 is a wasteful number, since it uses less digits than its factorization.

1904048641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897071.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1904048641 is about 43635.4058191281. The cubic root of 1904048641 is about 1239.4414413327.

The spelling of 1904048641 in words is "one billion, nine hundred four million, forty-eight thousand, six hundred forty-one".