83379949 has 2 divisors, whose sum is σ = 83379950. Its totient is φ = 83379948.

The previous prime is 83379931. The next prime is 83379973. The reversal of 83379949 is 94997338.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82537225 + 842724 = 9085^2 + 918^2 .

It is a cyclic number.

It is not a de Polignac number, because 83379949 - 2¹¹ = 83377901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83379896 and 83379905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83379929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41689974 + 41689975.

It is an arithmetic number, because the mean of its divisors is an integer number (41689975).

Almost surely, 2^83379949 is an apocalyptic number.

It is an amenable number.

83379949 is a deficient number, since it is larger than the sum of its proper divisors (1).

83379949 is an equidigital number, since it uses as much as digits as its factorization.

83379949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 52.

The square root of 83379949 is about 9131.2621800056. The cubic root of 83379949 is about 436.8716622579.

The spelling of 83379949 in words is "eighty-three million, three hundred seventy-nine thousand, nine hundred forty-nine".