3841636 has 24 divisors (see below), whose sum is σ = 7000056. Its totient is φ = 1843200.

The previous prime is 3841631. The next prime is 3841657. The reversal of 3841636 is 6361483.

It can be written as a sum of positive squares in 4 ways, for example, as 3444736 + 396900 = 1856^2 + 630^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3841598 and 3841607.

It is not an unprimeable number, because it can be changed into a prime (3841631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14820 + ... + 15076.

It is an arithmetic number, because the mean of its divisors is an integer number (291669).

Almost surely, 2^3841636 is an apocalyptic number.

It is an amenable number.

3841636 is a deficient number, since it is larger than the sum of its proper divisors (3158420).

3841636 is a wasteful number, since it uses less digits than its factorization.

3841636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 397 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 3841636 is about 1960.0091836520. The cubic root of 3841636 is about 156.6169411124.

It can be divided in two parts, 38416 and 36, that multiplied together give a square (1382976 = 1176²).

The spelling of 3841636 in words is "three million, eight hundred forty-one thousand, six hundred thirty-six".