215948 has 6 divisors (see below), whose sum is σ = 377916. Its totient is φ = 107972.

The previous prime is 215939. The next prime is 215953. The reversal of 215948 is 849512.

215948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

215948 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 215948.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26990 + ... + 26997.

It is an arithmetic number, because the mean of its divisors is an integer number (62986).

2²¹⁵⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

215948 is a deficient number, since it is larger than the sum of its proper divisors (161968).

215948 is a wasteful number, since it uses less digits than its factorization.

215948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53991 (or 53989 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 215948 is about 464.7020550848. The cubic root of 215948 is about 59.9951847988.

The spelling of 215948 in words is "two hundred fifteen thousand, nine hundred forty-eight".