356384449 has 4 divisors (see below), whose sum is σ = 356522436. Its totient is φ = 356246464.

The previous prime is 356384419. The next prime is 356384453. The reversal of 356384449 is 944483653.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 147379600 + 209004849 = 12140^2 + 14457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356384449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 356384399 and 356384408.

It is not an unprimeable number, because it can be changed into a prime (356384419) 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, 65044 + ... + 70309.

It is an arithmetic number, because the mean of its divisors is an integer number (89130609).

Almost surely, 2^356384449 is an apocalyptic number.

It is an amenable number.

356384449 is a deficient number, since it is larger than the sum of its proper divisors (137987).

356384449 is a wasteful number, since it uses less digits than its factorization.

356384449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137986.

The product of its digits is 1244160, while the sum is 46.

The square root of 356384449 is about 18878.1473932163. The cubic root of 356384449 is about 708.9891380743.

The spelling of 356384449 in words is "three hundred fifty-six million, three hundred eighty-four thousand, four hundred forty-nine".