88640446 has 8 divisors (see below), whose sum is σ = 133016544. Its totient is φ = 44301600.

The previous prime is 88640437. The next prime is 88640521. The reversal of 88640446 is 64404688.

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 = 88640399 and 88640408.

It is a congruent number.

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, 2310 + ... + 13513.

It is an arithmetic number, because the mean of its divisors is an integer number (16627068).

Almost surely, 2^88640446 is an apocalyptic number.

88640446 is a deficient number, since it is larger than the sum of its proper divisors (44376098).

88640446 is a wasteful number, since it uses less digits than its factorization.

88640446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18626.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 88640446 is about 9414.9055226274. The cubic root of 88640446 is about 445.8724557705.

The spelling of 88640446 in words is "eighty-eight million, six hundred forty thousand, four hundred forty-six".