351943 has 4 divisors (see below), whose sum is σ = 363328. Its totient is φ = 340560.

The previous prime is 351931. The next prime is 351959. The reversal of 351943 is 349153.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5646 + ... + 5707.

It is an arithmetic number, because the mean of its divisors is an integer number (90832).

2³⁵¹⁹⁴³ is an apocalyptic number.

351943 is a deficient number, since it is larger than the sum of its proper divisors (11385).

351943 is a wasteful number, since it uses less digits than its factorization.

351943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11384.

The product of its digits is 1620, while the sum is 25.

The square root of 351943 is about 593.2478402826. The cubic root of 351943 is about 70.6031553293.

The spelling of 351943 in words is "three hundred fifty-one thousand, nine hundred forty-three".