8401829 has 4 divisors (see below), whose sum is σ = 8479020. Its totient is φ = 8324640.

The previous prime is 8401807. The next prime is 8401873. The reversal of 8401829 is 9281048.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5244100 + 3157729 = 2290^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 8401829 - 2⁸ = 8401573 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8401795 and 8401804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8401429) 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, 38432 + ... + 38649.

It is an arithmetic number, because the mean of its divisors is an integer number (2119755).

Almost surely, 2^8401829 is an apocalyptic number.

It is an amenable number.

8401829 is a deficient number, since it is larger than the sum of its proper divisors (77191).

8401829 is a wasteful number, since it uses less digits than its factorization.

8401829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77190.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 8401829 is about 2898.5908645409. The cubic root of 8401829 is about 203.2940241727.

The spelling of 8401829 in words is "eight million, four hundred one thousand, eight hundred twenty-nine".