47950861 has 12 divisors (see below), whose sum is σ = 56337660. Its totient is φ = 40689600.

The previous prime is 47950787. The next prime is 47950871. The reversal of 47950861 is 16805974.

It can be written as a sum of positive squares in 2 ways, for example, as 38378025 + 9572836 = 6195^2 + 3094^2 .

It is not a de Polignac number, because 47950861 - 2⁹ = 47950349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47950871) 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, 105 + ... + 9793.

It is an arithmetic number, because the mean of its divisors is an integer number (4694805).

Almost surely, 2^47950861 is an apocalyptic number.

It is an amenable number.

47950861 is a deficient number, since it is larger than the sum of its proper divisors (8386799).

47950861 is a wasteful number, since it uses less digits than its factorization.

47950861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9804 (or 9797 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 47950861 is about 6924.6560203378. The cubic root of 47950861 is about 363.3000602661.

The spelling of 47950861 in words is "forty-seven million, nine hundred fifty thousand, eight hundred sixty-one".