88691406 has 16 divisors (see below), whose sum is σ = 177811200. Its totient is φ = 29492408.

The previous prime is 88691401. The next prime is 88691417. The reversal of 88691406 is 60419688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88691401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15126 + ... + 20153.

It is an arithmetic number, because the mean of its divisors is an integer number (11113200).

Almost surely, 2^88691406 is an apocalyptic number.

88691406 is an abundant number, since it is smaller than the sum of its proper divisors (89119794).

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

88691406 is a wasteful number, since it uses less digits than its factorization.

88691406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35703.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 88691406 is about 9417.6114806250. The cubic root of 88691406 is about 445.9578844451.

The spelling of 88691406 in words is "eighty-eight million, six hundred ninety-one thousand, four hundred six".