855335381 has 8 divisors (see below), whose sum is σ = 867434880. Its totient is φ = 843309072.

The previous prime is 855335329. The next prime is 855335441. The reversal of 855335381 is 183533558.

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 855335381 - 2¹⁸ = 855073237 is a prime.

It is a super-2 number, since 2×855335381² = 1463197227980830322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855335581) 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, 5456 + ... + 41718.

It is an arithmetic number, because the mean of its divisors is an integer number (108429360).

Almost surely, 2^855335381 is an apocalyptic number.

It is an amenable number.

855335381 is a deficient number, since it is larger than the sum of its proper divisors (12099499).

855335381 is a wasteful number, since it uses less digits than its factorization.

855335381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36595.

The product of its digits is 216000, while the sum is 41.

The square root of 855335381 is about 29246.1173662420. The cubic root of 855335381 is about 949.2460799636.

It can be divided in two parts, 8553 and 35381, that added together give a palindrome (43934).

The spelling of 855335381 in words is "eight hundred fifty-five million, three hundred thirty-five thousand, three hundred eighty-one".