83949273 has 6 divisors (see below), whose sum is σ = 121260074. Its totient is φ = 55966176.

The previous prime is 83949259. The next prime is 83949301. The reversal of 83949273 is 37294938.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76265289 + 7683984 = 8733^2 + 2772^2 .

It is not a de Polignac number, because 83949273 - 2¹⁷ = 83818201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83949233) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4663840 + ... + 4663857.

Almost surely, 2^83949273 is an apocalyptic number.

It is an amenable number.

83949273 is a deficient number, since it is larger than the sum of its proper divisors (37310801).

83949273 is a wasteful number, since it uses less digits than its factorization.

83949273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9327703 (or 9327700 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 83949273 is about 9162.3835872550. The cubic root of 83949273 is about 437.8637375592.

The spelling of 83949273 in words is "eighty-three million, nine hundred forty-nine thousand, two hundred seventy-three".