213984065 has 8 divisors (see below), whose sum is σ = 267945408. Its totient is φ = 163744240.

The previous prime is 213984059. The next prime is 213984073. The reversal of 213984065 is 560489312.

It is a happy number.

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

It is not a de Polignac number, because 213984065 - 2¹⁰ = 213983041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930251 + ... + 930480.

It is an arithmetic number, because the mean of its divisors is an integer number (33493176).

Almost surely, 2^213984065 is an apocalyptic number.

It is an amenable number.

213984065 is a deficient number, since it is larger than the sum of its proper divisors (53961343).

213984065 is a wasteful number, since it uses less digits than its factorization.

213984065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860759.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 213984065 is about 14628.1941811011. The cubic root of 213984065 is about 598.1275561874.

The spelling of 213984065 in words is "two hundred thirteen million, nine hundred eighty-four thousand, sixty-five".