87303438 has 12 divisors (see below), whose sum is σ = 189157488. Its totient is φ = 29101140.

The previous prime is 87303413. The next prime is 87303443. The reversal of 87303438 is 83430378.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2425078 + ... + 2425113.

It is an arithmetic number, because the mean of its divisors is an integer number (15763124).

Almost surely, 2^87303438 is an apocalyptic number.

87303438 is an abundant number, since it is smaller than the sum of its proper divisors (101854050).

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

87303438 is a wasteful number, since it uses less digits than its factorization.

87303438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850199 (or 4850196 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 87303438 is about 9343.6308788393. The cubic root of 87303438 is about 443.6193169898.

The spelling of 87303438 in words is "eighty-seven million, three hundred three thousand, four hundred thirty-eight".