84461291 has 4 divisors (see below), whose sum is σ = 84562800. Its totient is φ = 84359784.

The previous prime is 84461281. The next prime is 84461309. The reversal of 84461291 is 19216448.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 84461291 - 2⁶ = 84461227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84461231) 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, 49496 + ... + 51173.

It is an arithmetic number, because the mean of its divisors is an integer number (21140700).

Almost surely, 2^84461291 is an apocalyptic number.

84461291 is a deficient number, since it is larger than the sum of its proper divisors (101509).

84461291 is a wasteful number, since it uses less digits than its factorization.

84461291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101508.

The product of its digits is 13824, while the sum is 35.

The square root of 84461291 is about 9190.2824222110. The cubic root of 84461291 is about 438.7521306271.

The spelling of 84461291 in words is "eighty-four million, four hundred sixty-one thousand, two hundred ninety-one".