47842190 has 48 divisors (see below), whose sum is σ = 99686160. Its totient is φ = 16473600.

The previous prime is 47842189. The next prime is 47842213. The reversal of 47842190 is 9124874.

It is a super-2 number, since 2×47842190² = 4577750287992200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47842190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21950 + ... + 24030.

It is an arithmetic number, because the mean of its divisors is an integer number (2076795).

Almost surely, 2^47842190 is an apocalyptic number.

47842190 is an abundant number, since it is smaller than the sum of its proper divisors (51843970).

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

47842190 is a wasteful number, since it uses less digits than its factorization.

47842190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 2118 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 47842190 is about 6916.8048982171. The cubic root of 47842190 is about 363.0254037930.

The spelling of 47842190 in words is "forty-seven million, eight hundred forty-two thousand, one hundred ninety".