49473839 has 4 divisors (see below), whose sum is σ = 50680560. Its totient is φ = 48267120.

The previous prime is 49473821. The next prime is 49473863. The reversal of 49473839 is 93837494.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49473839 is a prime.

It is a super-3 number, since 3×49473839³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49473793 and 49473802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49473869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603299 + ... + 603380.

It is an arithmetic number, because the mean of its divisors is an integer number (12670140).

Almost surely, 2^49473839 is an apocalyptic number.

49473839 is a deficient number, since it is larger than the sum of its proper divisors (1206721).

49473839 is a wasteful number, since it uses less digits than its factorization.

49473839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206720.

The product of its digits is 653184, while the sum is 47.

The square root of 49473839 is about 7033.7642127100. The cubic root of 49473839 is about 367.1063277905.

The spelling of 49473839 in words is "forty-nine million, four hundred seventy-three thousand, eight hundred thirty-nine".