1804890368 has 18 divisors (see below), whose sum is σ = 3602730894. Its totient is φ = 902445056.

The previous prime is 1804890317. The next prime is 1804890379. The reversal of 1804890368 is 8630984081.

It can be written as a sum of positive squares in only one way, i.e., 1058070784 + 746819584 = 32528^2 + 27328^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3524921 + ... + 3525432.

Almost surely, 2^1804890368 is an apocalyptic number.

It is an amenable number.

1804890368 is a deficient number, since it is larger than the sum of its proper divisors (1797840526).

1804890368 is an frugal number, since it uses more digits than its factorization.

1804890368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050369 (or 7050355 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 1804890368 is about 42484.0013181433. The cubic root of 1804890368 is about 1217.5410402086.

The spelling of 1804890368 in words is "one billion, eight hundred four million, eight hundred ninety thousand, three hundred sixty-eight".