356149943 has 4 divisors (see below), whose sum is σ = 356943600. Its totient is φ = 355356288.

The previous prime is 356149939. The next prime is 356149961. The reversal of 356149943 is 349941653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349941653 = 167 ⋅2095459.

It is a cyclic number.

It is not a de Polignac number, because 356149943 - 2² = 356149939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 356149894 and 356149903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356149993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396155 + ... + 397052.

It is an arithmetic number, because the mean of its divisors is an integer number (89235900).

Almost surely, 2^356149943 is an apocalyptic number.

356149943 is a deficient number, since it is larger than the sum of its proper divisors (793657).

356149943 is an equidigital number, since it uses as much as digits as its factorization.

356149943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793656.

The product of its digits is 349920, while the sum is 44.

The square root of 356149943 is about 18871.9353273585. The cubic root of 356149943 is about 708.8335956648.

The spelling of 356149943 in words is "three hundred fifty-six million, one hundred forty-nine thousand, nine hundred forty-three".