88639442 has 8 divisors (see below), whose sum is σ = 134202096. Its totient is φ = 43905412.

The previous prime is 88639423. The next prime is 88639477. The reversal of 88639442 is 24493688.

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 = 88639393 and 88639402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206888 + ... + 207315.

It is an arithmetic number, because the mean of its divisors is an integer number (16775262).

Almost surely, 2^88639442 is an apocalyptic number.

88639442 is a deficient number, since it is larger than the sum of its proper divisors (45562654).

88639442 is a wasteful number, since it uses less digits than its factorization.

88639442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414312.

The product of its digits is 331776, while the sum is 44.

The square root of 88639442 is about 9414.8522027698. The cubic root of 88639442 is about 445.8707723492.

The spelling of 88639442 in words is "eighty-eight million, six hundred thirty-nine thousand, four hundred forty-two".