1863248446 has 8 divisors (see below), whose sum is σ = 2916388944. Its totient is φ = 891118800.

The previous prime is 1863248419. The next prime is 1863248531. The reversal of 1863248446 is 6448423681.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 40505401 = 1863248446 / (1 + 8 + 6 + 3 + 2 + 4 + 8 + 4 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 1863248396 and 1863248405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20252655 + ... + 20252746.

It is an arithmetic number, because the mean of its divisors is an integer number (364548618).

Almost surely, 2^1863248446 is an apocalyptic number.

1863248446 is a deficient number, since it is larger than the sum of its proper divisors (1053140498).

1863248446 is a wasteful number, since it uses less digits than its factorization.

1863248446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40505426.

The product of its digits is 884736, while the sum is 46.

The square root of 1863248446 is about 43165.3616456529. The cubic root of 1863248446 is about 1230.5244741525.

The spelling of 1863248446 in words is "one billion, eight hundred sixty-three million, two hundred forty-eight thousand, four hundred forty-six".