87906342 has 16 divisors (see below), whose sum is σ = 178793280. Its totient is φ = 28805352.

The previous prime is 87906323. The next prime is 87906349. The reversal of 87906342 is 24360978.

It is a self number, because there is not a number n which added to its sum of digits gives 87906342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87906349) 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 7 ways as a sum of consecutive naturals, for example, 123808 + ... + 124515.

It is an arithmetic number, because the mean of its divisors is an integer number (11174580).

Almost surely, 2^87906342 is an apocalyptic number.

87906342 is an abundant number, since it is smaller than the sum of its proper divisors (90886938).

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

87906342 is a wasteful number, since it uses less digits than its factorization.

87906342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248387.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 87906342 is about 9375.8382025289. The cubic root of 87906342 is about 444.6381639727.

The spelling of 87906342 in words is "eighty-seven million, nine hundred six thousand, three hundred forty-two".