351869243 has 8 divisors (see below), whose sum is σ = 388171440. Its totient is φ = 316286080.

The previous prime is 351869207. The next prime is 351869261. The reversal of 351869243 is 342968153.

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

It is not a de Polignac number, because 351869243 - 2⁸ = 351868987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 351869243.

It is not an unprimeable number, because it can be changed into a prime (351869143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178730 + ... + 180687.

It is an arithmetic number, because the mean of its divisors is an integer number (48521430).

Almost surely, 2^351869243 is an apocalyptic number.

351869243 is a deficient number, since it is larger than the sum of its proper divisors (36302197).

351869243 is a wasteful number, since it uses less digits than its factorization.

351869243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359517.

The product of its digits is 155520, while the sum is 41.

The square root of 351869243 is about 18758.1780298621. The cubic root of 351869243 is about 705.9822286319.

The spelling of 351869243 in words is "three hundred fifty-one million, eight hundred sixty-nine thousand, two hundred forty-three".