3869090 has 16 divisors (see below), whose sum is σ = 7153272. Its totient is φ = 1505664.

The previous prime is 3869069. The next prime is 3869101. The reversal of 3869090 is 909683.

It is a Cunningham number, because it is equal to 1967²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 3869089 + 1 = 1967^2 + 1^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3869090.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4859 + ... + 5598.

Almost surely, 2^3869090 is an apocalyptic number.

3869090 is a deficient number, since it is larger than the sum of its proper divisors (3284182).

3869090 is a wasteful number, since it uses less digits than its factorization.

3869090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 3869090 is about 1967.0002541942. Note that the first 3 decimals coincide. The cubic root of 3869090 is about 156.9891401200.

The spelling of 3869090 in words is "three million, eight hundred sixty-nine thousand, ninety".