88216340 has 24 divisors (see below), whose sum is σ = 185712072. Its totient is φ = 35199360.

The previous prime is 88216319. The next prime is 88216367. The reversal of 88216340 is 4361288.

It can be written as a sum of positive squares in 4 ways, for example, as 868624 + 87347716 = 932^2 + 9346^2 .

It is a junction number, because it is equal to n+sod(n) for n = 88216297 and 88216306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3182 + ... + 13658.

It is an arithmetic number, because the mean of its divisors is an integer number (7738003).

Almost surely, 2^88216340 is an apocalyptic number.

It is an amenable number.

88216340 is an abundant number, since it is smaller than the sum of its proper divisors (97495732).

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

88216340 is a wasteful number, since it uses less digits than its factorization.

88216340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10907 (or 10905 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 88216340 is about 9392.3554021342. The cubic root of 88216340 is about 445.1602166852.

The spelling of 88216340 in words is "eighty-eight million, two hundred sixteen thousand, three hundred forty".