47131846 has 4 divisors (see below), whose sum is σ = 70697772. Its totient is φ = 23565922.

The previous prime is 47131831. The next prime is 47131879. The reversal of 47131846 is 64813174.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64813174 = 2 ⋅32406587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11782960 + ... + 11782963.

It is an arithmetic number, because the mean of its divisors is an integer number (17674443).

Almost surely, 2^47131846 is an apocalyptic number.

47131846 is a deficient number, since it is larger than the sum of its proper divisors (23565926).

47131846 is a wasteful number, since it uses less digits than its factorization.

47131846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23565925.

The product of its digits is 16128, while the sum is 34.

The square root of 47131846 is about 6865.2637239949. The cubic root of 47131846 is about 361.2197463519.

The spelling of 47131846 in words is "forty-seven million, one hundred thirty-one thousand, eight hundred forty-six".