49494939 has 16 divisors (see below), whose sum is σ = 75251232. Its totient is φ = 28666368.

The previous prime is 49494917. The next prime is 49494953. The reversal of 49494939 is 93949494.

It is not a de Polignac number, because 49494939 - 2⁹ = 49494427 is a prime.

It is a super-2 number, since 2×49494939² = 4899497973227442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 49494891 and 49494900.

It is not an unprimeable number, because it can be changed into a prime (49494979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36664 + ... + 37989.

It is an arithmetic number, because the mean of its divisors is an integer number (4703202).

Almost surely, 2^49494939 is an apocalyptic number.

49494939 is a deficient number, since it is larger than the sum of its proper divisors (25756293).

49494939 is a wasteful number, since it uses less digits than its factorization.

49494939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74686.

The product of its digits is 1259712, while the sum is 51.

The square root of 49494939 is about 7035.2639609328. The cubic root of 49494939 is about 367.1585091908.

The spelling of 49494939 in words is "forty-nine million, four hundred ninety-four thousand, nine hundred thirty-nine".