3820534 has 4 divisors (see below), whose sum is σ = 5730804. Its totient is φ = 1910266.

The previous prime is 3820517. The next prime is 3820543. The reversal of 3820534 is 4350283.

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

It is a junction number, because it is equal to n+sod(n) for n = 3820499 and 3820508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 955132 + ... + 955135.

It is an arithmetic number, because the mean of its divisors is an integer number (1432701).

Almost surely, 2^3820534 is an apocalyptic number.

3820534 is a deficient number, since it is larger than the sum of its proper divisors (1910270).

3820534 is a wasteful number, since it uses less digits than its factorization.

3820534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910269.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3820534 is about 1954.6186328796. The cubic root of 3820534 is about 156.3296502704.

The spelling of 3820534 in words is "three million, eight hundred twenty thousand, five hundred thirty-four".