87418434 has 8 divisors (see below), whose sum is σ = 174836880. Its totient is φ = 29139476.

The previous prime is 87418427. The next prime is 87418459. The reversal of 87418434 is 43481478.

It is a sphenic number, since it is the product of 3 distinct primes.

87418434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 87418392 and 87418401.

It is an unprimeable number.

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, 7284864 + ... + 7284875.

It is an arithmetic number, because the mean of its divisors is an integer number (21854610).

Almost surely, 2^87418434 is an apocalyptic number.

87418434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87418434 is a wasteful number, since it uses less digits than its factorization.

87418434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14569744.

The product of its digits is 86016, while the sum is 39.

The square root of 87418434 is about 9349.7825643167. The cubic root of 87418434 is about 443.8140098366.

The spelling of 87418434 in words is "eighty-seven million, four hundred eighteen thousand, four hundred thirty-four".