48449861 has 8 divisors (see below), whose sum is σ = 49221120. Its totient is φ = 47684592.

The previous prime is 48449857. The next prime is 48449887. The reversal of 48449861 is 16894484.

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 48449861 - 2² = 48449857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48449161) 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, 16460 + ... + 19178.

It is an arithmetic number, because the mean of its divisors is an integer number (6152640).

Almost surely, 2^48449861 is an apocalyptic number.

It is an amenable number.

48449861 is a deficient number, since it is larger than the sum of its proper divisors (771259).

48449861 is a wasteful number, since it uses less digits than its factorization.

48449861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995.

The product of its digits is 221184, while the sum is 44.

The square root of 48449861 is about 6960.5934373443. The cubic root of 48449861 is about 364.5559396132. Note that the first 3 decimals are identical.

The spelling of 48449861 in words is "forty-eight million, four hundred forty-nine thousand, eight hundred sixty-one".