88021340 has 48 divisors (see below), whose sum is σ = 205480800. Its totient is φ = 31399680.

The previous prime is 88021337. The next prime is 88021343. The reversal of 88021340 is 4312088.

It is an interprime number because it is at equal distance from previous prime (88021337) and next prime (88021343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88021343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7886 + ... + 15434.

It is an arithmetic number, because the mean of its divisors is an integer number (4280850).

Almost surely, 2^88021340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88021340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102740400).

88021340 is an abundant number, since it is smaller than the sum of its proper divisors (117459460).

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

88021340 is a wasteful number, since it uses less digits than its factorization.

88021340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7622 (or 7620 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 88021340 is about 9381.9688765205. The cubic root of 88021340 is about 444.8319695527.

The spelling of 88021340 in words is "eighty-eight million, twenty-one thousand, three hundred forty".