213858361 has 8 divisors (see below), whose sum is σ = 214974144. Its totient is φ = 212746320.

The previous prime is 213858313. The next prime is 213858371. The reversal of 213858361 is 163858312.

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

It is a cyclic number.

It is not a de Polignac number, because 213858361 - 2¹⁷ = 213727289 is a prime.

It is a super-3 number, since 3×213858361³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213858361.

It is not an unprimeable number, because it can be changed into a prime (213858371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240660 + ... + 241546.

It is an arithmetic number, because the mean of its divisors is an integer number (26871768).

Almost surely, 2^213858361 is an apocalyptic number.

It is an amenable number.

213858361 is a deficient number, since it is larger than the sum of its proper divisors (1115783).

213858361 is an equidigital number, since it uses as much as digits as its factorization.

213858361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871.

The product of its digits is 34560, while the sum is 37.

The square root of 213858361 is about 14623.8969156651. The cubic root of 213858361 is about 598.0104107761.

The spelling of 213858361 in words is "two hundred thirteen million, eight hundred fifty-eight thousand, three hundred sixty-one".