1859449368 has 32 divisors (see below), whose sum is σ = 5312712960. Its totient is φ = 531271200.

The previous prime is 1859449349. The next prime is 1859449399. The reversal of 1859449368 is 8639449581.

1859449368 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5533908 + ... + 5534243.

It is an arithmetic number, because the mean of its divisors is an integer number (166022280).

Almost surely, 2^1859449368 is an apocalyptic number.

It is an amenable number.

1859449368 is an abundant number, since it is smaller than the sum of its proper divisors (3453263592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1859449368 is a wasteful number, since it uses less digits than its factorization.

1859449368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068167 (or 11068163 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 57.

The square root of 1859449368 is about 43121.3330962761. Note that the first 3 decimals coincide. The cubic root of 1859449368 is about 1229.6875774688.

The spelling of 1859449368 in words is "one billion, eight hundred fifty-nine million, four hundred forty-nine thousand, three hundred sixty-eight".