3890390466 has 16 divisors (see below), whose sum is σ = 8238474144. Its totient is φ = 1220514624.

The previous prime is 3890390437. The next prime is 3890390489. The reversal of 3890390466 is 6640930983.

It is an unprimeable number.

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, 19070440 + ... + 19070643.

It is an arithmetic number, because the mean of its divisors is an integer number (514904634).

Almost surely, 2^3890390466 is an apocalyptic number.

3890390466 is an abundant number, since it is smaller than the sum of its proper divisors (4348083678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3890390466 is a wasteful number, since it uses less digits than its factorization.

3890390466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38141105.

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 3890390466 is about 62372.9946852001. The cubic root of 3890390466 is about 1572.7670335266.

The spelling of 3890390466 in words is "three billion, eight hundred ninety million, three hundred ninety thousand, four hundred sixty-six".