88339981 has 8 divisors (see below), whose sum is σ = 89245728. Its totient is φ = 87438000.

The previous prime is 88339961. The next prime is 88339991. The reversal of 88339981 is 18993388.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88339981 - 2¹⁵ = 88307213 is a prime.

It is a super-2 number, since 2×88339981² = 15607904486160722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88339961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74211 + ... + 75391.

It is an arithmetic number, because the mean of its divisors is an integer number (11155716).

Almost surely, 2^88339981 is an apocalyptic number.

It is an amenable number.

88339981 is a deficient number, since it is larger than the sum of its proper divisors (905747).

88339981 is a wasteful number, since it uses less digits than its factorization.

88339981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883.

The product of its digits is 373248, while the sum is 49.

The square root of 88339981 is about 9398.9350992546. The cubic root of 88339981 is about 445.3680933676.

The spelling of 88339981 in words is "eighty-eight million, three hundred thirty-nine thousand, nine hundred eighty-one".