88405000 has 40 divisors (see below), whose sum is σ = 207144630. Its totient is φ = 35360000.

The previous prime is 88404989. The next prime is 88405027. The reversal of 88405000 is 50488.

It can be written as a sum of positive squares in 5 ways, for example, as 7396 + 88397604 = 86^2 + 9402^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3841 + ... + 13840.

Almost surely, 2^88405000 is an apocalyptic number.

It is an amenable number.

88405000 is an abundant number, since it is smaller than the sum of its proper divisors (118739630).

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

88405000 is a wasteful number, since it uses less digits than its factorization.

88405000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17707 (or 17688 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 88405000 is about 9402.3933123434. The cubic root of 88405000 is about 445.4773315115.

Adding to 88405000 its reverse (50488), we get a palindrome (88455488).

It can be divided in two parts, 8 and 8405000, that multiplied together give a square (67240000 = 8200²).

The spelling of 88405000 in words is "eighty-eight million, four hundred five thousand".