88840642 has 8 divisors (see below), whose sum is σ = 145375632. Its totient is φ = 40382100.

The previous prime is 88840639. The next prime is 88840643. The reversal of 88840642 is 24604888.

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 = 88840595 and 88840604.

It is not an unprimeable number, because it can be changed into a prime (88840643) 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, 2019084 + ... + 2019127.

It is an arithmetic number, because the mean of its divisors is an integer number (18171954).

Almost surely, 2^88840642 is an apocalyptic number.

88840642 is a deficient number, since it is larger than the sum of its proper divisors (56534990).

88840642 is a wasteful number, since it uses less digits than its factorization.

88840642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038224.

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 88840642 is about 9425.5313908554. The cubic root of 88840642 is about 446.2078736319.

The spelling of 88840642 in words is "eighty-eight million, eight hundred forty thousand, six hundred forty-two".