88217460 has 36 divisors (see below), whose sum is σ = 267593508. Its totient is φ = 23524608.

The previous prime is 88217431. The next prime is 88217461. The reversal of 88217460 is 6471288.

It can be written as a sum of positive squares in 2 ways, for example, as 56610576 + 31606884 = 7524^2 + 5622^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88217461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244869 + ... + 245228.

It is an arithmetic number, because the mean of its divisors is an integer number (7433153).

Almost surely, 2^88217460 is an apocalyptic number.

It is an amenable number.

88217460 is an abundant number, since it is smaller than the sum of its proper divisors (179376048).

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

88217460 is a wasteful number, since it uses less digits than its factorization.

88217460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490112 (or 490107 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 88217460 is about 9392.4150249017. The cubic root of 88217460 is about 445.1621006043.

The spelling of 88217460 in words is "eighty-eight million, two hundred seventeen thousand, four hundred sixty".