47942356 has 24 divisors (see below), whose sum is σ = 104602176. Its totient is φ = 18678720.

The previous prime is 47942333. The next prime is 47942359. The reversal of 47942356 is 65324974.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47942359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77521 + ... + 78136.

It is an arithmetic number, because the mean of its divisors is an integer number (4358424).

Almost surely, 2^47942356 is an apocalyptic number.

It is an amenable number.

47942356 is an abundant number, since it is smaller than the sum of its proper divisors (56659820).

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

47942356 is a wasteful number, since it uses less digits than its factorization.

47942356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155679 (or 155677 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 47942356 is about 6924.0418831778. The cubic root of 47942356 is about 363.2785795971.

The spelling of 47942356 in words is "forty-seven million, nine hundred forty-two thousand, three hundred fifty-six".