3829405 has 4 divisors (see below), whose sum is σ = 4595292. Its totient is φ = 3063520.

The previous prime is 3829391. The next prime is 3829429. The reversal of 3829405 is 5049283.

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 3006756 + 822649 = 1734^2 + 907^2 .

It is not a de Polignac number, because 3829405 - 2⁵ = 3829373 is a prime.

It is a Duffinian number.

3829405 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382936 + ... + 382945.

It is an arithmetic number, because the mean of its divisors is an integer number (1148823).

Almost surely, 2^3829405 is an apocalyptic number.

It is an amenable number.

3829405 is a deficient number, since it is larger than the sum of its proper divisors (765887).

3829405 is an equidigital number, since it uses as much as digits as its factorization.

3829405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765886.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3829405 is about 1956.8865577749. The cubic root of 3829405 is about 156.4505520746.

The spelling of 3829405 in words is "three million, eight hundred twenty-nine thousand, four hundred five".