47149860 has 48 divisors (see below), whose sum is σ = 134519616. Its totient is φ = 12335232.

The previous prime is 47149859. The next prime is 47149867. The reversal of 47149860 is 6894174.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47149867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4234 + ... + 10593.

It is an arithmetic number, because the mean of its divisors is an integer number (2802492).

Almost surely, 2^47149860 is an apocalyptic number.

It is an amenable number.

47149860 is an abundant number, since it is smaller than the sum of its proper divisors (87369756).

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

47149860 is a wasteful number, since it uses less digits than its factorization.

47149860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14892 (or 14890 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 47149860 is about 6866.5755657387. The cubic root of 47149860 is about 361.2657604184.

The spelling of 47149860 in words is "forty-seven million, one hundred forty-nine thousand, eight hundred sixty".