218460948 has 48 divisors (see below), whose sum is σ = 541054080. Its totient is φ = 68368384.

The previous prime is 218460943. The next prime is 218460953. The reversal of 218460948 is 849064812.

It is an interprime number because it is at equal distance from previous prime (218460943) and next prime (218460953).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218460943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101548 + ... + 103676.

It is an arithmetic number, because the mean of its divisors is an integer number (11271960).

Almost surely, 2^218460948 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 218460948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270527040).

218460948 is an abundant number, since it is smaller than the sum of its proper divisors (322593132).

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

218460948 is a wasteful number, since it uses less digits than its factorization.

218460948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656 (or 2654 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 218460948 is about 14780.4244864618. The cubic root of 218460948 is about 602.2700561327.

The spelling of 218460948 in words is "two hundred eighteen million, four hundred sixty thousand, nine hundred forty-eight".