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88428 = 2237369

88428 has 12 divisors (see below), whose sum is σ = 206360. Its totient is φ = 29472.

The previous prime is 88427. The next prime is 88463. The reversal of 88428 is 82488.

88428 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×884282 = 15639022368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 88395 and 88404.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 88428.

It is not an unprimeable number, because it can be changed into a prime (88423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3673 + ... + 3696.

288428 is an apocalyptic number.

It is an amenable number.

88428 is an abundant number, since it is smaller than the sum of its proper divisors (117932).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103180).

88428 is a wasteful number, since it uses less digits than its factorization.

88428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376 (or 7374 counting only the distinct ones).

The product of its digits is 4096, while the sum is 30.

The square root of 88428 is about 297.3684583139. The cubic root of 88428 is about 44.5515960888.

The spelling of 88428 in words is "eighty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 7369 14738 22107 29476 44214 88428