49861906 has 8 divisors (see below), whose sum is σ = 74887740. Its totient is φ = 24899328.

The previous prime is 49861883. The next prime is 49861921. The reversal of 49861906 is 60916894.

49861906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49575681 + 286225 = 7041^2 + 535^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13791 + ... + 17026.

Almost surely, 2^49861906 is an apocalyptic number.

49861906 is a deficient number, since it is larger than the sum of its proper divisors (25025834).

49861906 is a wasteful number, since it uses less digits than its factorization.

49861906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31628.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 49861906 is about 7061.2963399081. The cubic root of 49861906 is about 368.0636753788.

The spelling of 49861906 in words is "forty-nine million, eight hundred sixty-one thousand, nine hundred six".