84955939 has 2 divisors, whose sum is σ = 84955940. Its totient is φ = 84955938.

The previous prime is 84955921. The next prime is 84955957. The reversal of 84955939 is 93955948.

It is a balanced prime because it is at equal distance from previous prime (84955921) and next prime (84955957).

It is a cyclic number.

It is not a de Polignac number, because 84955939 - 2⁵ = 84955907 is a prime.

It is not a weakly prime, because it can be changed into another prime (84955909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42477969 + 42477970.

It is an arithmetic number, because the mean of its divisors is an integer number (42477970).

Almost surely, 2^84955939 is an apocalyptic number.

84955939 is a deficient number, since it is larger than the sum of its proper divisors (1).

84955939 is an equidigital number, since it uses as much as digits as its factorization.

84955939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1749600, while the sum is 52.

The square root of 84955939 is about 9217.1546043234. The cubic root of 84955939 is about 439.6069820410.

Subtracting 84955939 from its reverse (93955948), we obtain a palindrome (9000009).

The spelling of 84955939 in words is "eighty-four million, nine hundred fifty-five thousand, nine hundred thirty-nine".