88049639 has 4 divisors (see below), whose sum is σ = 88086360. Its totient is φ = 88012920.

The previous prime is 88049573. The next prime is 88049669. The reversal of 88049639 is 93694088.

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

It is a cyclic number.

It is not a de Polignac number, because 88049639 - 2¹² = 88045543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88049593 and 88049602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88049669) 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, 14492 + ... + 19649.

It is an arithmetic number, because the mean of its divisors is an integer number (22021590).

Almost surely, 2^88049639 is an apocalyptic number.

88049639 is a deficient number, since it is larger than the sum of its proper divisors (36721).

88049639 is a wasteful number, since it uses less digits than its factorization.

88049639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36720.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 88049639 is about 9383.4769142360. The cubic root of 88049639 is about 444.8796358387.

It can be divided in two parts, 88049 and 639, that added together give a palindrome (88688).

The spelling of 88049639 in words is "eighty-eight million, forty-nine thousand, six hundred thirty-nine".