353492947 has 2 divisors, whose sum is σ = 353492948. Its totient is φ = 353492946.

The previous prime is 353492927. The next prime is 353492989. The reversal of 353492947 is 749294353.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 353492947 - 2¹⁵ = 353460179 is a prime.

It is equal to p_18980884 and since 353492947 and 18980884 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 353492897 and 353492906.

It is not a weakly prime, because it can be changed into another prime (353492927) 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 as a sum of consecutive naturals, namely, 176746473 + 176746474.

It is an arithmetic number, because the mean of its divisors is an integer number (176746474).

Almost surely, 2^353492947 is an apocalyptic number.

353492947 is a deficient number, since it is larger than the sum of its proper divisors (1).

353492947 is an equidigital number, since it uses as much as digits as its factorization.

353492947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 46.

The square root of 353492947 is about 18801.4081121601. The cubic root of 353492947 is about 707.0664831612.

The spelling of 353492947 in words is "three hundred fifty-three million, four hundred ninety-two thousand, nine hundred forty-seven".