47891950 has 24 divisors (see below), whose sum is σ = 89449632. Its totient is φ = 19077120.

The previous prime is 47891947. The next prime is 47891971. The reversal of 47891950 is 5919874.

It is a junction number, because it is equal to n+sod(n) for n = 47891897 and 47891906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10987 + ... + 14713.

It is an arithmetic number, because the mean of its divisors is an integer number (3727068).

Almost surely, 2^47891950 is an apocalyptic number.

47891950 is a deficient number, since it is larger than the sum of its proper divisors (41557682).

47891950 is a wasteful number, since it uses less digits than its factorization.

47891950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996 (or 3991 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 47891950 is about 6920.4009999421. The cubic root of 47891950 is about 363.1512194169.

It can be divided in two parts, 47891 and 950, that added together give a square (48841 = 221²).

The spelling of 47891950 in words is "forty-seven million, eight hundred ninety-one thousand, nine hundred fifty".