49789861 has 8 divisors (see below), whose sum is σ = 57175200. Its totient is φ = 42881040.

The previous prime is 49789841. The next prime is 49789903. The reversal of 49789861 is 16898794.

It is a happy number.

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 49789861 - 2¹¹ = 49787813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49789799 and 49789808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49789801) 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, 118906 + ... + 119323.

It is an arithmetic number, because the mean of its divisors is an integer number (7146900).

Almost surely, 2^49789861 is an apocalyptic number.

It is an amenable number.

49789861 is a deficient number, since it is larger than the sum of its proper divisors (7385339).

49789861 is a wasteful number, since it uses less digits than its factorization.

49789861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238259.

The product of its digits is 870912, while the sum is 52.

The square root of 49789861 is about 7056.1930954304. The cubic root of 49789861 is about 367.8863193480.

The spelling of 49789861 in words is "forty-nine million, seven hundred eighty-nine thousand, eight hundred sixty-one".