215426234 has 8 divisors (see below), whose sum is σ = 337188960. Its totient is φ = 103029916.

The previous prime is 215426201. The next prime is 215426243. The reversal of 215426234 is 432624512.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 215426197 and 215426206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341544 + ... + 2341635.

It is an arithmetic number, because the mean of its divisors is an integer number (42148620).

Almost surely, 2^215426234 is an apocalyptic number.

215426234 is a deficient number, since it is larger than the sum of its proper divisors (121762726).

215426234 is a wasteful number, since it uses less digits than its factorization.

215426234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683204.

The product of its digits is 11520, while the sum is 29.

The square root of 215426234 is about 14677.4055609294. The cubic root of 215426234 is about 599.4682640859.

The spelling of 215426234 in words is "two hundred fifteen million, four hundred twenty-six thousand, two hundred thirty-four".