47839190 has 48 divisors (see below), whose sum is σ = 106080192. Its totient is φ = 15434496.

The previous prime is 47839159. The next prime is 47839193. The reversal of 47839190 is 9193874.

It is a happy number.

It is a super-2 number, since 2×47839190² = 4577176199712200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47839193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5459 + ... + 11201.

It is an arithmetic number, because the mean of its divisors is an integer number (2210004).

Almost surely, 2^47839190 is an apocalyptic number.

47839190 is an abundant number, since it is smaller than the sum of its proper divisors (58241002).

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

47839190 is a wasteful number, since it uses less digits than its factorization.

47839190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5781 (or 5774 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 47839190 is about 6916.5880316815. The cubic root of 47839190 is about 363.0178156581.

The spelling of 47839190 in words is "forty-seven million, eight hundred thirty-nine thousand, one hundred ninety".