47642886 has 24 divisors (see below), whose sum is σ = 103487904. Its totient is φ = 15840720.

The previous prime is 47642869. The next prime is 47642887. The reversal of 47642886 is 68824674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47642887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4435 + ... + 10721.

It is an arithmetic number, because the mean of its divisors is an integer number (4311996).

Almost surely, 2^47642886 is an apocalyptic number.

47642886 is an abundant number, since it is smaller than the sum of its proper divisors (55845018).

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

47642886 is a wasteful number, since it uses less digits than its factorization.

47642886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6716 (or 6713 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 47642886 is about 6902.3826321061. The cubic root of 47642886 is about 362.5205974820.

The spelling of 47642886 in words is "forty-seven million, six hundred forty-two thousand, eight hundred eighty-six".