88308381 has 32 divisors (see below), whose sum is σ = 139864320. Its totient is φ = 48508416.

The previous prime is 88308379. The next prime is 88308401. The reversal of 88308381 is 18380388.

It is not a de Polignac number, because 88308381 - 2¹ = 88308379 is a prime.

It is a super-2 number, since 2×88308381² = 15596740309682322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88308361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68515 + ... + 69791.

It is an arithmetic number, because the mean of its divisors is an integer number (4370760).

Almost surely, 2^88308381 is an apocalyptic number.

It is an amenable number.

88308381 is a deficient number, since it is larger than the sum of its proper divisors (51555939).

88308381 is a wasteful number, since it uses less digits than its factorization.

88308381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 88308381 is about 9397.2539073923. The cubic root of 88308381 is about 445.3149829865.

The spelling of 88308381 in words is "eighty-eight million, three hundred eight thousand, three hundred eighty-one".