3869506 has 8 divisors (see below), whose sum is σ = 6145740. Its totient is φ = 1820928.

The previous prime is 3869501. The next prime is 3869561. The reversal of 3869506 is 6059683.

3869506 = 23² + 24² + ... + 226².

It can be written as a sum of positive squares in 2 ways, for example, as 3861225 + 8281 = 1965^2 + 91^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3869501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56871 + ... + 56938.

Almost surely, 2^3869506 is an apocalyptic number.

3869506 is a deficient number, since it is larger than the sum of its proper divisors (2276234).

3869506 is a wasteful number, since it uses less digits than its factorization.

3869506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113828.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 3869506 is about 1967.1059961273. The cubic root of 3869506 is about 156.9947663475.

The spelling of 3869506 in words is "three million, eight hundred sixty-nine thousand, five hundred six".