215626848 has 48 divisors (see below), whose sum is σ = 568915200. Its totient is φ = 71508096.

The previous prime is 215626799. The next prime is 215626867. The reversal of 215626848 is 848626512.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×215626848³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13461 + ... + 24747.

It is an arithmetic number, because the mean of its divisors is an integer number (11852400).

Almost surely, 2^215626848 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 215626848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284457600).

215626848 is an abundant number, since it is smaller than the sum of its proper divisors (353288352).

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

215626848 is a wasteful number, since it uses less digits than its factorization.

215626848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11499 (or 11491 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 215626848 is about 14684.2380803363. The cubic root of 215626848 is about 599.6542897345.

The spelling of 215626848 in words is "two hundred fifteen million, six hundred twenty-six thousand, eight hundred forty-eight".