351791268 has 48 divisors (see below), whose sum is σ = 871161984. Its totient is φ = 110108160.

The previous prime is 351791239. The next prime is 351791269. The reversal of 351791268 is 862197153.

It is not an unprimeable number, because it can be changed into a prime (351791269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97578 + ... + 101118.

It is an arithmetic number, because the mean of its divisors is an integer number (18149208).

Almost surely, 2^351791268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351791268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435580992).

351791268 is an abundant number, since it is smaller than the sum of its proper divisors (519370716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351791268 is a wasteful number, since it uses less digits than its factorization.

351791268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052 (or 4050 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 351791268 is about 18756.0994878999. The cubic root of 351791268 is about 705.9300757065.

The spelling of 351791268 in words is "three hundred fifty-one million, seven hundred ninety-one thousand, two hundred sixty-eight".