351194816 has 56 divisors (see below), whose sum is σ = 806622720. Its totient is φ = 148591872.

The previous prime is 351194791. The next prime is 351194819. The reversal of 351194816 is 618491153.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 351194816.

It is not an unprimeable number, because it can be changed into a prime (351194819) 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, 30431 + ... + 40353.

Almost surely, 2^351194816 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 351194816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403311360).

351194816 is an abundant number, since it is smaller than the sum of its proper divisors (455427904).

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

351194816 is an equidigital number, since it uses as much as digits as its factorization.

351194816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10021 (or 10011 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 351194816 is about 18740.1925283600. The cubic root of 351194816 is about 705.5308886226.

The spelling of 351194816 in words is "three hundred fifty-one million, one hundred ninety-four thousand, eight hundred sixteen".