49671982 has 32 divisors (see below), whose sum is σ = 80547840. Its totient is φ = 22926240.

The previous prime is 49671967. The next prime is 49671989. The reversal of 49671982 is 28917694.

49671982 = T₁₂₆₈ + T₁₂₆₉ + ... + T₁₃₂₆.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49671989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135163 + ... + 135529.

It is an arithmetic number, because the mean of its divisors is an integer number (2517120).

Almost surely, 2^49671982 is an apocalyptic number.

49671982 is a deficient number, since it is larger than the sum of its proper divisors (30875858).

49671982 is a wasteful number, since it uses less digits than its factorization.

49671982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its digits is 217728, while the sum is 46.

The square root of 49671982 is about 7047.8352704926. The cubic root of 49671982 is about 367.5957626018.

It can be divided in two parts, 49671 and 982, that added together give a cube (50653 = 37³).

The spelling of 49671982 in words is "forty-nine million, six hundred seventy-one thousand, nine hundred eighty-two".