88738440 has 128 divisors (see below), whose sum is σ = 306720000. Its totient is φ = 20118528.

The previous prime is 88738423. The next prime is 88738457. The reversal of 88738440 is 4483788.

It is an interprime number because it is at equal distance from previous prime (88738423) and next prime (88738457).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 88738392 and 88738401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124806 + ... + 125514.

It is an arithmetic number, because the mean of its divisors is an integer number (2396250).

Almost surely, 2^88738440 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 88738440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153360000).

88738440 is an abundant number, since it is smaller than the sum of its proper divisors (217981560).

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

88738440 is a wasteful number, since it uses less digits than its factorization.

88738440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 88738440 is about 9420.1082796325. The cubic root of 88738440 is about 446.0367025906.

The spelling of 88738440 in words is "eighty-eight million, seven hundred thirty-eight thousand, four hundred forty".