213841893 has 8 divisors (see below), whose sum is σ = 289028608. Its totient is φ = 140608224.

The previous prime is 213841871. The next prime is 213841921. The reversal of 213841893 is 398148312.

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

It is not a de Polignac number, because 213841893 - 2⁶ = 213841829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213843893) 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, 488005 + ... + 488442.

It is an arithmetic number, because the mean of its divisors is an integer number (36128576).

Almost surely, 2^213841893 is an apocalyptic number.

It is an amenable number.

213841893 is a deficient number, since it is larger than the sum of its proper divisors (75186715).

213841893 is an equidigital number, since it uses as much as digits as its factorization.

213841893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976523.

The product of its digits is 41472, while the sum is 39.

The square root of 213841893 is about 14623.3338538105. Note that the first 3 decimals coincide. The cubic root of 213841893 is about 597.9950606036.

The spelling of 213841893 in words is "two hundred thirteen million, eight hundred forty-one thousand, eight hundred ninety-three".