3820538 has 4 divisors (see below), whose sum is σ = 5730810. Its totient is φ = 1910268.

The previous prime is 3820517. The next prime is 3820543. The reversal of 3820538 is 8350283.

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

It can be written as a sum of positive squares in only one way, i.e., 2550409 + 1270129 = 1597^2 + 1127^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3820538.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 955133 + ... + 955136.

Almost surely, 2^3820538 is an apocalyptic number.

3820538 is a deficient number, since it is larger than the sum of its proper divisors (1910272).

3820538 is a wasteful number, since it uses less digits than its factorization.

3820538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910271.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 3820538 is about 1954.6196560968. The cubic root of 3820538 is about 156.3297048281.

The spelling of 3820538 in words is "three million, eight hundred twenty thousand, five hundred thirty-eight".