47623861 has 8 divisors (see below), whose sum is σ = 50294880. Its totient is φ = 44969328.

The previous prime is 47623789. The next prime is 47623879. The reversal of 47623861 is 16832674.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47623861 - 2¹⁷ = 47492789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47623861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47620861) 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, 2070 + ... + 9976.

It is an arithmetic number, because the mean of its divisors is an integer number (6286860).

Almost surely, 2^47623861 is an apocalyptic number.

It is an amenable number.

47623861 is a deficient number, since it is larger than the sum of its proper divisors (2671019).

47623861 is a wasteful number, since it uses less digits than its factorization.

47623861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8243.

The product of its digits is 48384, while the sum is 37.

The square root of 47623861 is about 6901.0043471947. The cubic root of 47623861 is about 362.4723365334.

It can be divided in two parts, 47623 and 861, that added together give a palindrome (48484).

The spelling of 47623861 in words is "forty-seven million, six hundred twenty-three thousand, eight hundred sixty-one".