47981190 has 16 divisors (see below), whose sum is σ = 115154928. Its totient is φ = 12794976.

The previous prime is 47981183. The next prime is 47981201. The reversal of 47981190 is 9118974.

It is a happy number.

It is a super-2 number, since 2×47981190² = 4604389187632200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799657 + ... + 799716.

It is an arithmetic number, because the mean of its divisors is an integer number (7197183).

Almost surely, 2^47981190 is an apocalyptic number.

47981190 is an abundant number, since it is smaller than the sum of its proper divisors (67173738).

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

47981190 is a wasteful number, since it uses less digits than its factorization.

47981190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599383.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 47981190 is about 6926.8456024369. The cubic root of 47981190 is about 363.3766400885.

The spelling of 47981190 in words is "forty-seven million, nine hundred eighty-one thousand, one hundred ninety".