87293434 has 8 divisors (see below), whose sum is σ = 134479188. Its totient is φ = 42467040.

The previous prime is 87293411. The next prime is 87293449. The reversal of 87293434 is 43439278.

It can be written as a sum of positive squares in 2 ways, for example, as 77352025 + 9941409 = 8795^2 + 3153^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589747 + ... + 589894.

Almost surely, 2^87293434 is an apocalyptic number.

87293434 is a deficient number, since it is larger than the sum of its proper divisors (47185754).

87293434 is a wasteful number, since it uses less digits than its factorization.

87293434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179680.

The product of its digits is 145152, while the sum is 40.

The square root of 87293434 is about 9343.0955255740. The cubic root of 87293434 is about 443.6023717344.

The spelling of 87293434 in words is "eighty-seven million, two hundred ninety-three thousand, four hundred thirty-four".