356681243 has 4 divisors (see below), whose sum is σ = 375453960. Its totient is φ = 337908528.

The previous prime is 356681239. The next prime is 356681249. The reversal of 356681243 is 342186653.

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

It is a cyclic number.

It is not a de Polignac number, because 356681243 - 2² = 356681239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 356681197 and 356681206.

It is not an unprimeable number, because it can be changed into a prime (356681249) 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, 9386330 + ... + 9386367.

It is an arithmetic number, because the mean of its divisors is an integer number (93863490).

Almost surely, 2^356681243 is an apocalyptic number.

356681243 is a deficient number, since it is larger than the sum of its proper divisors (18772717).

356681243 is a wasteful number, since it uses less digits than its factorization.

356681243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18772716.

The product of its digits is 103680, while the sum is 38.

The square root of 356681243 is about 18886.0065392343. The cubic root of 356681243 is about 709.1858968806.

The spelling of 356681243 in words is "three hundred fifty-six million, six hundred eighty-one thousand, two hundred forty-three".