350648819 has 4 divisors (see below), whose sum is σ = 369104040. Its totient is φ = 332193600.

The previous prime is 350648803. The next prime is 350648839. The reversal of 350648819 is 918846053.

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

It is a cyclic number.

It is not a de Polignac number, because 350648819 - 2⁴ = 350648803 is a prime.

It is a super-2 number, since 2×350648819² = 245909188532189522, which contains 22 as substring.

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 350648819.

It is not an unprimeable number, because it can be changed into a prime (350648839) 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, 9227582 + ... + 9227619.

It is an arithmetic number, because the mean of its divisors is an integer number (92276010).

Almost surely, 2^350648819 is an apocalyptic number.

350648819 is a deficient number, since it is larger than the sum of its proper divisors (18455221).

350648819 is a wasteful number, since it uses less digits than its factorization.

350648819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18455220.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 350648819 is about 18725.6193222013. The cubic root of 350648819 is about 705.1650730940.

It can be divided in two parts, 3506 and 48819, that added together give a palindrome (52325).

The spelling of 350648819 in words is "three hundred fifty million, six hundred forty-eight thousand, eight hundred nineteen".