351946427 has 16 divisors (see below), whose sum is σ = 427617792. Its totient is φ = 282768000.

The previous prime is 351946409. The next prime is 351946451. The reversal of 351946427 is 724649153.

It is a cyclic number.

It is not a de Polignac number, because 351946427 - 2⁶ = 351946363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (351946457) 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 15 ways as a sum of consecutive naturals, for example, 23978 + ... + 35760.

It is an arithmetic number, because the mean of its divisors is an integer number (26726112).

Almost surely, 2^351946427 is an apocalyptic number.

351946427 is a deficient number, since it is larger than the sum of its proper divisors (75671365).

351946427 is a wasteful number, since it uses less digits than its factorization.

351946427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12058.

The product of its digits is 181440, while the sum is 41.

The square root of 351946427 is about 18760.2352597189. The cubic root of 351946427 is about 706.0338449161.

The spelling of 351946427 in words is "three hundred fifty-one million, nine hundred forty-six thousand, four hundred twenty-seven".