84924949 has 2 divisors, whose sum is σ = 84924950. Its totient is φ = 84924948.

The previous prime is 84924929. The next prime is 84924971. The reversal of 84924949 is 94942948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53363025 + 31561924 = 7305^2 + 5618^2 .

It is a cyclic number.

It is not a de Polignac number, because 84924949 - 2⁷ = 84924821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84924919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42462474 + 42462475.

It is an arithmetic number, because the mean of its divisors is an integer number (42462475).

Almost surely, 2^84924949 is an apocalyptic number.

It is an amenable number.

84924949 is a deficient number, since it is larger than the sum of its proper divisors (1).

84924949 is an equidigital number, since it uses as much as digits as its factorization.

84924949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 49.

The square root of 84924949 is about 9215.4733464972. The cubic root of 84924949 is about 439.5535226542.

The spelling of 84924949 in words is "eighty-four million, nine hundred twenty-four thousand, nine hundred forty-nine".