215902848 has 128 divisors (see below), whose sum is σ = 676823040. Its totient is φ = 59673600.

The previous prime is 215902847. The next prime is 215902859. The reversal of 215902848 is 848209512.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×215902848² = 93228079549022208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (215902847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82033 + ... + 84623.

It is an arithmetic number, because the mean of its divisors is an integer number (5287680).

Almost surely, 2^215902848 is an apocalyptic number.

215902848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215902848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338411520).

215902848 is an abundant number, since it is smaller than the sum of its proper divisors (460920192).

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

215902848 is a wasteful number, since it uses less digits than its factorization.

215902848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646 (or 2634 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 215902848 is about 14693.6329068069. The cubic root of 215902848 is about 599.9100309544.

The spelling of 215902848 in words is "two hundred fifteen million, nine hundred two thousand, eight hundred forty-eight".