351969 has 8 divisors (see below), whose sum is σ = 489792. Its totient is φ = 224400.

The previous prime is 351959. The next prime is 351971. The reversal of 351969 is 969153.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 351969 - 2⁹ = 351457 is a prime.

It is a super-2 number, since 2×351969² = 247764353922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (351919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2482 + ... + 2619.

It is an arithmetic number, because the mean of its divisors is an integer number (61224).

2³⁵¹⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

351969 is a deficient number, since it is larger than the sum of its proper divisors (137823).

351969 is a wasteful number, since it uses less digits than its factorization.

351969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127.

The product of its digits is 7290, while the sum is 33.

The square root of 351969 is about 593.2697531478. The cubic root of 351969 is about 70.6048939033.

The spelling of 351969 in words is "three hundred fifty-one thousand, nine hundred sixty-nine".