87304438 has 8 divisors (see below), whose sum is σ = 141030288. Its totient is φ = 40294344.

The previous prime is 87304433. The next prime is 87304439. The reversal of 87304438 is 83440378.

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

It is a junction number, because it is equal to n+sod(n) for n = 87304397 and 87304406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87304433) 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 3 ways as a sum of consecutive naturals, for example, 1678906 + ... + 1678957.

It is an arithmetic number, because the mean of its divisors is an integer number (17628786).

Almost surely, 2^87304438 is an apocalyptic number.

87304438 is a deficient number, since it is larger than the sum of its proper divisors (53725850).

87304438 is a wasteful number, since it uses less digits than its factorization.

87304438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357878.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 87304438 is about 9343.6843910740. The cubic root of 87304438 is about 443.6210107667.

The spelling of 87304438 in words is "eighty-seven million, three hundred four thousand, four hundred thirty-eight".