88449642 has 24 divisors (see below), whose sum is σ = 192494016. Its totient is φ = 29351976.

The previous prime is 88449631. The next prime is 88449659. The reversal of 88449642 is 24694488.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6738 + ... + 14909.

It is an arithmetic number, because the mean of its divisors is an integer number (8020584).

Almost surely, 2^88449642 is an apocalyptic number.

88449642 is an abundant number, since it is smaller than the sum of its proper divisors (104044374).

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

88449642 is a wasteful number, since it uses less digits than its factorization.

88449642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21882 (or 21879 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 88449642 is about 9404.7669827593. The cubic root of 88449642 is about 445.5523033363.

The spelling of 88449642 in words is "eighty-eight million, four hundred forty-nine thousand, six hundred forty-two".