3998770446 has 32 divisors (see below), whose sum is σ = 8726976000. Its totient is φ = 1211417280.

The previous prime is 3998770439. The next prime is 3998770459. The reversal of 3998770446 is 6440778993.

3998770446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3998770446³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354075 + ... + 365193.

It is an arithmetic number, because the mean of its divisors is an integer number (272718000).

Almost surely, 2^3998770446 is an apocalyptic number.

3998770446 is an abundant number, since it is smaller than the sum of its proper divisors (4728205554).

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

3998770446 is a wasteful number, since it uses less digits than its factorization.

3998770446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16584.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The square root of 3998770446 is about 63235.8319783966. The cubic root of 3998770446 is about 1587.2383856904.

The spelling of 3998770446 in words is "three billion, nine hundred ninety-eight million, seven hundred seventy thousand, four hundred forty-six".