419390345 has 16 divisors (see below), whose sum is σ = 551821248. Its totient is φ = 303455040.

The previous prime is 419390341. The next prime is 419390393. The reversal of 419390345 is 543093914.

It is not a de Polignac number, because 419390345 - 2² = 419390341 is a prime.

It is a super-2 number, since 2×419390345² = 351776522958438050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 419390299 and 419390308.

It is not an unprimeable number, because it can be changed into a prime (419390341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8519 + ... + 30188.

It is an arithmetic number, because the mean of its divisors is an integer number (34488828).

Almost surely, 2^419390345 is an apocalyptic number.

It is an amenable number.

419390345 is a deficient number, since it is larger than the sum of its proper divisors (132430903).

419390345 is a wasteful number, since it uses less digits than its factorization.

419390345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38920.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 419390345 is about 20479.0220713783. The cubic root of 419390345 is about 748.5247117875.

The spelling of 419390345 in words is "four hundred nineteen million, three hundred ninety thousand, three hundred forty-five".