215264006 has 8 divisors (see below), whose sum is σ = 327319464. Its totient is φ = 106157520.

The previous prime is 215263987. The next prime is 215264009. The reversal of 215264006 is 600462512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215264009) 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 3 ways as a sum of consecutive naturals, for example, 737060 + ... + 737351.

It is an arithmetic number, because the mean of its divisors is an integer number (40914933).

Almost surely, 2^215264006 is an apocalyptic number.

215264006 is a deficient number, since it is larger than the sum of its proper divisors (112055458).

215264006 is a wasteful number, since it uses less digits than its factorization.

215264006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474486.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 215264006 is about 14671.8780665598. The cubic root of 215264006 is about 599.3177485898.

The spelling of 215264006 in words is "two hundred fifteen million, two hundred sixty-four thousand, six".