801619 has 16 divisors (see below), whose sum is σ = 1032192. Its totient is φ = 605088.

The previous prime is 801617. The next prime is 801631. The reversal of 801619 is 916108.

It is a cyclic number.

It is not a de Polignac number, because 801619 - 2¹ = 801617 is a prime.

It is a super-2 number, since 2×801619² = 1285186042322, which contains 22 as substring.

801619 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 801593 and 801602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1902 + ... + 2284.

It is an arithmetic number, because the mean of its divisors is an integer number (64512).

2⁸⁰¹⁶¹⁹ is an apocalyptic number.

801619 is a deficient number, since it is larger than the sum of its proper divisors (230573).

801619 is a wasteful number, since it uses less digits than its factorization.

With its successor (801620) it forms an eRAP, since the sums of their prime factors are consecutive (426 and 427).

801619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 801619 is about 895.3317820786. The cubic root of 801619 is about 92.8943572448.

The spelling of 801619 in words is "eight hundred one thousand, six hundred nineteen".