88840039 has 4 divisors (see below), whose sum is σ = 88913440. Its totient is φ = 88766640.

The previous prime is 88840013. The next prime is 88840061. The reversal of 88840039 is 93004888.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88840039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88839983 and 88840010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88840439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34854 + ... + 37315.

It is an arithmetic number, because the mean of its divisors is an integer number (22228360).

Almost surely, 2^88840039 is an apocalyptic number.

88840039 is a deficient number, since it is larger than the sum of its proper divisors (73401).

88840039 is a wasteful number, since it uses less digits than its factorization.

88840039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73400.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 88840039 is about 9425.4994032147. The cubic root of 88840039 is about 446.2068640941.

The spelling of 88840039 in words is "eighty-eight million, eight hundred forty thousand, thirty-nine".