87438426 has 16 divisors (see below), whose sum is σ = 175176000. Its totient is φ = 29096288.

The previous prime is 87438401. The next prime is 87438431. The reversal of 87438426 is 62483478.

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 7 ways as a sum of consecutive naturals, for example, 8571 + ... + 15758.

It is an arithmetic number, because the mean of its divisors is an integer number (10948500).

Almost surely, 2^87438426 is an apocalyptic number.

87438426 is an abundant number, since it is smaller than the sum of its proper divisors (87737574).

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

87438426 is a wasteful number, since it uses less digits than its factorization.

87438426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24933.

The product of its digits is 258048, while the sum is 42.

The square root of 87438426 is about 9350.8516189703. The cubic root of 87438426 is about 443.8478396708.

The spelling of 87438426 in words is "eighty-seven million, four hundred thirty-eight thousand, four hundred twenty-six".