87383442 has 16 divisors (see below), whose sum is σ = 175553280. Its totient is φ = 28996752.

The previous prime is 87383437. The next prime is 87383453. The reversal of 87383442 is 24438378.

It is a self number, because there is not a number n which added to its sum of digits gives 87383442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31317 + ... + 33992.

It is an arithmetic number, because the mean of its divisors is an integer number (10972080).

Almost surely, 2^87383442 is an apocalyptic number.

87383442 is an abundant number, since it is smaller than the sum of its proper divisors (88169838).

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

87383442 is a wasteful number, since it uses less digits than its factorization.

87383442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65537.

The product of its digits is 129024, while the sum is 39.

The square root of 87383442 is about 9347.9111035568. The cubic root of 87383442 is about 443.7547850572.

It can be divided in two parts, 873834 and 42, that multiplied together give a triangular number (36701028 = T₈₅₆₇).

The spelling of 87383442 in words is "eighty-seven million, three hundred eighty-three thousand, four hundred forty-two".