84457934 has 32 divisors (see below), whose sum is σ = 143472384. Its totient is φ = 36953280.

The previous prime is 84457931. The next prime is 84457951. The reversal of 84457934 is 43975448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84457931) 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 15 ways as a sum of consecutive naturals, for example, 68447 + ... + 69669.

It is an arithmetic number, because the mean of its divisors is an integer number (4483512).

Almost surely, 2^84457934 is an apocalyptic number.

84457934 is a deficient number, since it is larger than the sum of its proper divisors (59014450).

84457934 is a wasteful number, since it uses less digits than its factorization.

84457934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352.

The product of its digits is 483840, while the sum is 44.

The square root of 84457934 is about 9190.0997818304. The cubic root of 84457934 is about 438.7463176667.

The spelling of 84457934 in words is "eighty-four million, four hundred fifty-seven thousand, nine hundred thirty-four".