3866450090 has 16 divisors (see below), whose sum is σ = 6972926688. Its totient is φ = 1543620816.

The previous prime is 3866450089. The next prime is 3866450099. The reversal of 3866450090 is 900546683.

It is a super-2 number, since 2×3866450090² = 29898872596922016200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3866450099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364412 + ... + 374871.

It is an arithmetic number, because the mean of its divisors is an integer number (435807918).

Almost surely, 2^3866450090 is an apocalyptic number.

3866450090 is a deficient number, since it is larger than the sum of its proper divisors (3106476598).

3866450090 is a wasteful number, since it uses less digits than its factorization.

3866450090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739813.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 3866450090 is about 62180.7855370130. The cubic root of 3866450090 is about 1569.5342702858.

The spelling of 3866450090 in words is "three billion, eight hundred sixty-six million, four hundred fifty thousand, ninety".