351446849 has 12 divisors (see below), whose sum is σ = 382893756. Its totient is φ = 320673408.

The previous prime is 351446801. The next prime is 351446861. The reversal of 351446849 is 948644153.

It can be written as a sum of positive squares in 6 ways, for example, as 22278400 + 329168449 = 4720^2 + 18143^2 .

It is not a de Polignac number, because 351446849 - 2²⁰ = 350398273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351446149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101267 + ... + 104679.

It is an arithmetic number, because the mean of its divisors is an integer number (31907813).

Almost surely, 2^351446849 is an apocalyptic number.

It is an amenable number.

351446849 is a deficient number, since it is larger than the sum of its proper divisors (31446907).

351446849 is an equidigital number, since it uses as much as digits as its factorization.

351446849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604 (or 3515 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 351446849 is about 18746.9157196591. The cubic root of 351446849 is about 705.6996217007.

The spelling of 351446849 in words is "three hundred fifty-one million, four hundred forty-six thousand, eight hundred forty-nine".