355913881 has 8 divisors (see below), whose sum is σ = 368804480. Its totient is φ = 343233072.

The previous prime is 355913879. The next prime is 355913893. The reversal of 355913881 is 188319553.

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 355913881 - 2¹ = 355913879 is a prime.

It is a super-2 number, since 2×355913881² = 253349381376964322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355913081) 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, 48990 + ... + 55783.

It is an arithmetic number, because the mean of its divisors is an integer number (46100560).

Almost surely, 2^355913881 is an apocalyptic number.

It is an amenable number.

355913881 is a deficient number, since it is larger than the sum of its proper divisors (12890599).

355913881 is a wasteful number, since it uses less digits than its factorization.

355913881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104895.

The product of its digits is 129600, while the sum is 43.

The square root of 355913881 is about 18865.6799771437. The cubic root of 355913881 is about 708.6769522224.

The spelling of 355913881 in words is "three hundred fifty-five million, nine hundred thirteen thousand, eight hundred eighty-one".