3989900164 has 6 divisors (see below), whose sum is σ = 6982325294. Its totient is φ = 1994950080.

The previous prime is 3989900147. The next prime is 3989900203. The reversal of 3989900164 is 4610099893.

It can be written as a sum of positive squares in only one way, i.e., 2171560000 + 1818340164 = 46600^2 + 42642^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498737517 + ... + 498737524.

Almost surely, 2^3989900164 is an apocalyptic number.

It is an amenable number.

3989900164 is a deficient number, since it is larger than the sum of its proper divisors (2992425130).

3989900164 is a wasteful number, since it uses less digits than its factorization.

3989900164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997475045 (or 997475043 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 3989900164 is about 63165.6565231456. The cubic root of 3989900164 is about 1586.0638850478.

The spelling of 3989900164 in words is "three billion, nine hundred eighty-nine million, nine hundred thousand, one hundred sixty-four".