358163947 has 4 divisors (see below), whose sum is σ = 358345296. Its totient is φ = 357982600.

The previous prime is 358163933. The next prime is 358163963. The reversal of 358163947 is 749361853.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-358163947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 358163897 and 358163906.

It is not an unprimeable number, because it can be changed into a prime (358163917) 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, 87679 + ... + 91672.

It is an arithmetic number, because the mean of its divisors is an integer number (89586324).

Almost surely, 2^358163947 is an apocalyptic number.

358163947 is a deficient number, since it is larger than the sum of its proper divisors (181349).

358163947 is a wasteful number, since it uses less digits than its factorization.

358163947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181348.

The product of its digits is 544320, while the sum is 46.

The square root of 358163947 is about 18925.2198666224. The cubic root of 358163947 is about 710.1672204158.

It can be divided in two parts, 3581 and 63947, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 358163947 in words is "three hundred fifty-eight million, one hundred sixty-three thousand, nine hundred forty-seven".