213855935 has 16 divisors (see below), whose sum is σ = 262935552. Its totient is φ = 166924800.

The previous prime is 213855907. The next prime is 213855973. The reversal of 213855935 is 539558312.

It is not a de Polignac number, because 213855935 - 2¹² = 213851839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213855892 and 213855901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35975 + ... + 41495.

It is an arithmetic number, because the mean of its divisors is an integer number (16433472).

Almost surely, 2^213855935 is an apocalyptic number.

213855935 is a deficient number, since it is larger than the sum of its proper divisors (49079617).

213855935 is a wasteful number, since it uses less digits than its factorization.

213855935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714.

The product of its digits is 162000, while the sum is 41.

The square root of 213855935 is about 14623.8139690028. The cubic root of 213855935 is about 598.0081494995.

The spelling of 213855935 in words is "two hundred thirteen million, eight hundred fifty-five thousand, nine hundred thirty-five".