3820136 has 8 divisors (see below), whose sum is σ = 7162770. Its totient is φ = 1910064.

The previous prime is 3820133. The next prime is 3820153. The reversal of 3820136 is 6310283.

It can be written as a sum of positive squares in only one way, i.e., 1943236 + 1876900 = 1394^2 + 1370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3820133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238751 + ... + 238766.

Almost surely, 2^3820136 is an apocalyptic number.

It is an amenable number.

3820136 is a deficient number, since it is larger than the sum of its proper divisors (3342634).

3820136 is a wasteful number, since it uses less digits than its factorization.

3820136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477523 (or 477519 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3820136 is about 1954.5168200862. The cubic root of 3820136 is about 156.3242215911.

The spelling of 3820136 in words is "three million, eight hundred twenty thousand, one hundred thirty-six".