84614981 has 4 divisors (see below), whose sum is σ = 92307264. Its totient is φ = 76922700.

The previous prime is 84614969. The next prime is 84614987. The reversal of 84614981 is 18941648.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84614981 - 2⁶ = 84614917 is a prime.

It is a super-2 number, since 2×84614981² = 14319390019260722, 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 (84614987) 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, 3846125 + ... + 3846146.

It is an arithmetic number, because the mean of its divisors is an integer number (23076816).

Almost surely, 2^84614981 is an apocalyptic number.

It is an amenable number.

84614981 is a deficient number, since it is larger than the sum of its proper divisors (7692283).

84614981 is a wasteful number, since it uses less digits than its factorization.

84614981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7692282.

The product of its digits is 55296, while the sum is 41.

The square root of 84614981 is about 9198.6401712427. The cubic root of 84614981 is about 439.0180944972.

The spelling of 84614981 in words is "eighty-four million, six hundred fourteen thousand, nine hundred eighty-one".