419813 has 6 divisors (see below), whose sum is σ = 432594. Its totient is φ = 407264.

The previous prime is 419803. The next prime is 419821. The reversal of 419813 is 318914.

It can be written as a sum of positive squares in 3 ways, for example, as 12769 + 407044 = 113^2 + 638^2 .

It is not a de Polignac number, because 419813 - 2⁸ = 419557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4673 + ... + 4761.

It is an arithmetic number, because the mean of its divisors is an integer number (72099).

2⁴¹⁹⁸¹³ is an apocalyptic number.

It is an amenable number.

419813 is a deficient number, since it is larger than the sum of its proper divisors (12781).

419813 is an frugal number, since it uses more digits than its factorization.

419813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 142 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 419813 is about 647.9297801460. The cubic root of 419813 is about 74.8776077847.

The spelling of 419813 in words is "four hundred nineteen thousand, eight hundred thirteen".