213854 has 8 divisors (see below), whose sum is σ = 334800. Its totient is φ = 102256.

The previous prime is 213847. The next prime is 213859. The reversal of 213854 is 458312.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 213854.

It is not an unprimeable number, because it can be changed into a prime (213859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2279 + ... + 2370.

It is an arithmetic number, because the mean of its divisors is an integer number (41850).

2²¹³⁸⁵⁴ is an apocalyptic number.

213854 is a deficient number, since it is larger than the sum of its proper divisors (120946).

213854 is a wasteful number, since it uses less digits than its factorization.

213854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674.

The product of its digits is 960, while the sum is 23.

The square root of 213854 is about 462.4435100637. The cubic root of 213854 is about 59.8006345872.

The spelling of 213854 in words is "two hundred thirteen thousand, eight hundred fifty-four".