49381667 has 8 divisors (see below), whose sum is σ = 53191680. Its totient is φ = 45710280.

The previous prime is 49381649. The next prime is 49381699. The reversal of 49381667 is 76618394.

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 49381667 - 2⁸ = 49381411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49381567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33917 + ... + 35342.

It is an arithmetic number, because the mean of its divisors is an integer number (6648960).

Almost surely, 2^49381667 is an apocalyptic number.

49381667 is a deficient number, since it is larger than the sum of its proper divisors (3810013).

49381667 is a wasteful number, since it uses less digits than its factorization.

49381667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69313.

The product of its digits is 217728, while the sum is 44.

The square root of 49381667 is about 7027.2090476945. The cubic root of 49381667 is about 366.8782075008.

The spelling of 49381667 in words is "forty-nine million, three hundred eighty-one thousand, six hundred sixty-seven".