215348006 has 4 divisors (see below), whose sum is σ = 323022012. Its totient is φ = 107674002.

The previous prime is 215347981. The next prime is 215348009. The reversal of 215348006 is 600843512.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 215348006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215348009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53837000 + ... + 53837003.

It is an arithmetic number, because the mean of its divisors is an integer number (80755503).

Almost surely, 2^215348006 is an apocalyptic number.

215348006 is a deficient number, since it is larger than the sum of its proper divisors (107674006).

215348006 is a wasteful number, since it uses less digits than its factorization.

215348006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107674005.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 215348006 is about 14674.7404065626. The cubic root of 215348006 is about 599.3956934121.

The spelling of 215348006 in words is "two hundred fifteen million, three hundred forty-eight thousand, six".