3148783894 has 48 divisors (see below), whose sum is σ = 5290813440. Its totient is φ = 1403095680.

The previous prime is 3148783871. The next prime is 3148783903. The reversal of 3148783894 is 4983878413.

It is a super-4 number, since 4×3148783894⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 840277 + ... + 844015.

It is an arithmetic number, because the mean of its divisors is an integer number (110225280).

Almost surely, 2^3148783894 is an apocalyptic number.

3148783894 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3148783894 is a deficient number, since it is larger than the sum of its proper divisors (2142029546).

3148783894 is a wasteful number, since it uses less digits than its factorization.

3148783894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853 (or 3836 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

The square root of 3148783894 is about 56114.0258224270. The cubic root of 3148783894 is about 1465.7085405342.

The spelling of 3148783894 in words is "three billion, one hundred forty-eight million, seven hundred eighty-three thousand, eight hundred ninety-four".