83089949 has 2 divisors, whose sum is σ = 83089950. Its totient is φ = 83089948.

The previous prime is 83089939. The next prime is 83089967. The reversal of 83089949 is 94998038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83083225 + 6724 = 9115^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 83089949 - 2¹² = 83085853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83089897 and 83089906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83089939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41544974 + 41544975.

It is an arithmetic number, because the mean of its divisors is an integer number (41544975).

Almost surely, 2^83089949 is an apocalyptic number.

It is an amenable number.

83089949 is a deficient number, since it is larger than the sum of its proper divisors (1).

83089949 is an equidigital number, since it uses as much as digits as its factorization.

83089949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 83089949 is about 9115.3688351048. The cubic root of 83089949 is about 436.3645861183.

The spelling of 83089949 in words is "eighty-three million, eighty-nine thousand, nine hundred forty-nine".