983479949 has 2 divisors, whose sum is σ = 983479950. Its totient is φ = 983479948.

The previous prime is 983479901. The next prime is 983479969. The reversal of 983479949 is 949974389.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 581677924 + 401802025 = 24118^2 + 20045^2 .

It is a cyclic number.

It is not a de Polignac number, because 983479949 - 2¹⁶ = 983414413 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 983479891 and 983479900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983479969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491739974 + 491739975.

It is an arithmetic number, because the mean of its divisors is an integer number (491739975).

Almost surely, 2^983479949 is an apocalyptic number.

It is an amenable number.

983479949 is a deficient number, since it is larger than the sum of its proper divisors (1).

983479949 is an equidigital number, since it uses as much as digits as its factorization.

983479949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17635968, while the sum is 62.

The square root of 983479949 is about 31360.4838770067. The cubic root of 983479949 is about 994.4627113619.

The spelling of 983479949 in words is "nine hundred eighty-three million, four hundred seventy-nine thousand, nine hundred forty-nine".