47158284 has 12 divisors (see below), whose sum is σ = 110036024. Its totient is φ = 15719424.

The previous prime is 47158261. The next prime is 47158291. The reversal of 47158284 is 48285174.

It is a happy number.

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, 1964917 + ... + 1964940.

Almost surely, 2^47158284 is an apocalyptic number.

It is an amenable number.

47158284 is an abundant number, since it is smaller than the sum of its proper divisors (62877740).

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

47158284 is a wasteful number, since it uses less digits than its factorization.

47158284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929864 (or 3929862 counting only the distinct ones).

The product of its digits is 71680, while the sum is 39.

The square root of 47158284 is about 6867.1889445391. The cubic root of 47158284 is about 361.2872742436.

The spelling of 47158284 in words is "forty-seven million, one hundred fifty-eight thousand, two hundred eighty-four".