3965469990 has 64 divisors (see below), whose sum is σ = 9674422272. Its totient is φ = 1040054400.

The previous prime is 3965469967. The next prime is 3965470007. The reversal of 3965469990 is 999645693.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 984180 + ... + 988200.

It is an arithmetic number, because the mean of its divisors is an integer number (151162848).

Almost surely, 2^3965469990 is an apocalyptic number.

3965469990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3965469990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4837211136).

3965469990 is an abundant number, since it is smaller than the sum of its proper divisors (5708952282).

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

3965469990 is a wasteful number, since it uses less digits than its factorization.

3965469990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565.

The product of its (nonzero) digits is 14171760, while the sum is 60.

The square root of 3965469990 is about 62971.9778155332. The cubic root of 3965469990 is about 1582.8200970200.

The spelling of 3965469990 in words is "three billion, nine hundred sixty-five million, four hundred sixty-nine thousand, nine hundred ninety".