1872363898 has 8 divisors (see below), whose sum is σ = 2930656608. Its totient is φ = 895478364.

The previous prime is 1872363893. The next prime is 1872363919. The reversal of 1872363898 is 8983632781.

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

It is a super-3 number, since 3×1872363898³ (a number of 29 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1872363893) 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, 20351736 + ... + 20351827.

It is an arithmetic number, because the mean of its divisors is an integer number (366332076).

Almost surely, 2^1872363898 is an apocalyptic number.

1872363898 is a deficient number, since it is larger than the sum of its proper divisors (1058292710).

1872363898 is a wasteful number, since it uses less digits than its factorization.

1872363898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40703588.

The product of its digits is 3483648, while the sum is 55.

The square root of 1872363898 is about 43270.8203989709. The cubic root of 1872363898 is about 1232.5278828824.

It can be divided in two parts, 18723 and 63898, that added together give a triangular number (82621 = T₄₀₆).

The spelling of 1872363898 in words is "one billion, eight hundred seventy-two million, three hundred sixty-three thousand, eight hundred ninety-eight".