47398188 has 12 divisors (see below), whose sum is σ = 110595800. Its totient is φ = 15799392.

The previous prime is 47398133. The next prime is 47398201. The reversal of 47398188 is 88189374.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1974913 + ... + 1974936.

Almost surely, 2^47398188 is an apocalyptic number.

It is an amenable number.

47398188 is an abundant number, since it is smaller than the sum of its proper divisors (63197612).

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

47398188 is a wasteful number, since it uses less digits than its factorization.

47398188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949856 (or 3949854 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 47398188 is about 6884.6341950753. The cubic root of 47398188 is about 361.8988861190.

It can be divided in two parts, 47398 and 188, that added together give a triangular number (47586 = T₃₀₈).

The spelling of 47398188 in words is "forty-seven million, three hundred ninety-eight thousand, one hundred eighty-eight".