49983969 has 12 divisors (see below), whose sum is σ = 77526384. Its totient is φ = 28562184.

The previous prime is 49983959. The next prime is 49983971. The reversal of 49983969 is 96938994.

It is not a de Polignac number, because 49983969 - 2⁵ = 49983937 is a prime.

It is a super-2 number, since 2×49983969² = 4996794313985922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49983919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169867 + ... + 170160.

It is an arithmetic number, because the mean of its divisors is an integer number (6460532).

Almost surely, 2^49983969 is an apocalyptic number.

49983969 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

49983969 is a deficient number, since it is larger than the sum of its proper divisors (27542415).

49983969 is a wasteful number, since it uses less digits than its factorization.

49983969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340044 (or 340037 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 57.

The square root of 49983969 is about 7069.9341581093. The cubic root of 49983969 is about 368.3637731828.

The spelling of 49983969 in words is "forty-nine million, nine hundred eighty-three thousand, nine hundred sixty-nine".