88428834 has 80 divisors (see below), whose sum is σ = 215476800. Its totient is φ = 26943840.

The previous prime is 88428829. The next prime is 88428839. The reversal of 88428834 is 43882488.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (88428829) and next prime (88428839).

It is a self number, because there is not a number n which added to its sum of digits gives 88428834.

It is not an unprimeable number, because it can be changed into a prime (88428839) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 418989 + ... + 419199.

It is an arithmetic number, because the mean of its divisors is an integer number (2693460).

Almost surely, 2^88428834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88428834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107738400).

88428834 is an abundant number, since it is smaller than the sum of its proper divisors (127047966).

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

88428834 is a wasteful number, since it uses less digits than its factorization.

88428834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 428 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 88428834 is about 9403.6606701858. The cubic root of 88428834 is about 445.5173614973.

The spelling of 88428834 in words is "eighty-eight million, four hundred twenty-eight thousand, eight hundred thirty-four".