2447946858 has 32 divisors (see below), whose sum is σ = 5924444544. Its totient is φ = 658271232.

The previous prime is 2447946857. The next prime is 2447946859. The reversal of 2447946858 is 8586497442.

It is an interprime number because it is at equal distance from previous prime (2447946857) and next prime (2447946859).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2447946798 and 2447946807.

It is not an unprimeable number, because it can be changed into a prime (2447946857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1713535 + ... + 1714962.

It is an arithmetic number, because the mean of its divisors is an integer number (185138892).

Almost surely, 2^2447946858 is an apocalyptic number.

2447946858 is an abundant number, since it is smaller than the sum of its proper divisors (3476497686).

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

2447946858 is a wasteful number, since it uses less digits than its factorization.

2447946858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428526.

The product of its digits is 15482880, while the sum is 57.

The square root of 2447946858 is about 49476.7304699896. The cubic root of 2447946858 is about 1347.7230677461.

The spelling of 2447946858 in words is "two billion, four hundred forty-seven million, nine hundred forty-six thousand, eight hundred fifty-eight".