1863340874 has 8 divisors (see below), whose sum is σ = 2799907968. Its totient is φ = 930038220.

The previous prime is 1863340859. The next prime is 1863340877. The reversal of 1863340874 is 4780433681.

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

It is not an unprimeable number, because it can be changed into a prime (1863340877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814682 + ... + 816965.

It is an arithmetic number, because the mean of its divisors is an integer number (349988496).

Almost surely, 2^1863340874 is an apocalyptic number.

1863340874 is a deficient number, since it is larger than the sum of its proper divisors (936567094).

1863340874 is a wasteful number, since it uses less digits than its factorization.

1863340874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632220.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 1863340874 is about 43166.4322593378. The cubic root of 1863340874 is about 1230.5448208818.

The spelling of 1863340874 in words is "one billion, eight hundred sixty-three million, three hundred forty thousand, eight hundred seventy-four".