351948897 has 6 divisors (see below), whose sum is σ = 508370642. Its totient is φ = 234632592.

The previous prime is 351948893. The next prime is 351948911. The reversal of 351948897 is 798849153.

351948897 is a `hidden beast` number, since 3 + 519 + 48 + 89 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 263607696 + 88341201 = 16236^2 + 9399^2 .

It is not a de Polignac number, because 351948897 - 2² = 351948893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351948893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19552708 + ... + 19552725.

Almost surely, 2^351948897 is an apocalyptic number.

It is an amenable number.

351948897 is a deficient number, since it is larger than the sum of its proper divisors (156421745).

351948897 is a wasteful number, since it uses less digits than its factorization.

351948897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39105439 (or 39105436 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 351948897 is about 18760.3010903343. The cubic root of 351948897 is about 706.0354965875.

The spelling of 351948897 in words is "three hundred fifty-one million, nine hundred forty-eight thousand, eight hundred ninety-seven".