1863454348 has 48 divisors (see below), whose sum is σ = 3861768960. Its totient is φ = 770238144.

The previous prime is 1863454339. The next prime is 1863454399. The reversal of 1863454348 is 8434543681.

It is a junction number, because it is equal to n+sod(n) for n = 1863454298 and 1863454307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76915 + ... + 98197.

It is an arithmetic number, because the mean of its divisors is an integer number (80453520).

Almost surely, 2^1863454348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1863454348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1930884480).

1863454348 is an abundant number, since it is smaller than the sum of its proper divisors (1998314612).

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

1863454348 is a wasteful number, since it uses less digits than its factorization.

1863454348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21406 (or 21404 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 46.

The square root of 1863454348 is about 43167.7466171214. The cubic root of 1863454348 is about 1230.5697996732.

The spelling of 1863454348 in words is "one billion, eight hundred sixty-three million, four hundred fifty-four thousand, three hundred forty-eight".