84942949 has 24 divisors (see below), whose sum is σ = 106989120. Its totient is φ = 66014208.

The previous prime is 84942859. The next prime is 84942961. The reversal of 84942949 is 94924948.

It is not a de Polignac number, because 84942949 - 2¹¹ = 84940901 is a prime.

Its product of digits (746496) is a multiple of the sum of its prime divisors (1296).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84942049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69189 + ... + 70405.

It is an arithmetic number, because the mean of its divisors is an integer number (4457880).

Almost surely, 2^84942949 is an apocalyptic number.

It is an amenable number.

84942949 is a deficient number, since it is larger than the sum of its proper divisors (22046171).

84942949 is a wasteful number, since it uses less digits than its factorization.

84942949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309 (or 1296 counting only the distinct ones).

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

The square root of 84942949 is about 9216.4499130631. The cubic root of 84942949 is about 439.5845751877.

The spelling of 84942949 in words is "eighty-four million, nine hundred forty-two thousand, nine hundred forty-nine".