84993941 has 4 divisors (see below), whose sum is σ = 85039500. Its totient is φ = 84948384.

The previous prime is 84993911. The next prime is 84993959. The reversal of 84993941 is 14939948.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33814225 + 51179716 = 5815^2 + 7154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84993941 is a prime.

It is a super-2 number, since 2×84993941² = 14447940013422962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84993911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19856 + ... + 23753.

It is an arithmetic number, because the mean of its divisors is an integer number (21259875).

Almost surely, 2^84993941 is an apocalyptic number.

It is an amenable number.

84993941 is a deficient number, since it is larger than the sum of its proper divisors (45559).

84993941 is a wasteful number, since it uses less digits than its factorization.

84993941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45558.

The product of its digits is 279936, while the sum is 47.

The square root of 84993941 is about 9219.2158560259. The cubic root of 84993941 is about 439.6725197554.

The spelling of 84993941 in words is "eighty-four million, nine hundred ninety-three thousand, nine hundred forty-one".