213898395 has 16 divisors (see below), whose sum is σ = 346927392. Its totient is φ = 112515840.

The previous prime is 213898351. The next prime is 213898441. The reversal of 213898395 is 593898312.

It is a happy number.

It is not a de Polignac number, because 213898395 - 2⁶ = 213898331 is a prime.

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, 96576 + ... + 98765.

It is an arithmetic number, because the mean of its divisors is an integer number (21682962).

Almost surely, 2^213898395 is an apocalyptic number.

213898395 is a deficient number, since it is larger than the sum of its proper divisors (133028997).

213898395 is a wasteful number, since it uses less digits than its factorization.

213898395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195422.

The product of its digits is 466560, while the sum is 48.

The square root of 213898395 is about 14625.2656386132. The cubic root of 213898395 is about 598.0477240317.

The spelling of 213898395 in words is "two hundred thirteen million, eight hundred ninety-eight thousand, three hundred ninety-five".