83039949 has 6 divisors (see below), whose sum is σ = 119946606. Its totient is φ = 55359960.

The previous prime is 83039941. The next prime is 83039953. The reversal of 83039949 is 94993038.

It can be written as a sum of positive squares in only one way, i.e., 57608100 + 25431849 = 7590^2 + 5043^2 .

It is not a de Polignac number, because 83039949 - 2³ = 83039941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83039941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4613322 + ... + 4613339.

It is an arithmetic number, because the mean of its divisors is an integer number (19991101).

Almost surely, 2^83039949 is an apocalyptic number.

It is an amenable number.

83039949 is a deficient number, since it is larger than the sum of its proper divisors (36906657).

83039949 is a wasteful number, since it uses less digits than its factorization.

83039949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9226667 (or 9226664 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 83039949 is about 9112.6258016008. The cubic root of 83039949 is about 436.2770400012.

The spelling of 83039949 in words is "eighty-three million, thirty-nine thousand, nine hundred forty-nine".