3989961054 has 24 divisors (see below), whose sum is σ = 8666068320. Its totient is φ = 1326732768.

The previous prime is 3989961049. The next prime is 3989961077. The reversal of 3989961054 is 4501699893.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263622 + ... + 278345.

It is an arithmetic number, because the mean of its divisors is an integer number (361086180).

Almost surely, 2^3989961054 is an apocalyptic number.

3989961054 is an abundant number, since it is smaller than the sum of its proper divisors (4676107266).

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

3989961054 is a wasteful number, since it uses less digits than its factorization.

3989961054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542384 (or 542381 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 3989961054 is about 63166.1385079063. The cubic root of 3989961054 is about 1586.0719533314.

The spelling of 3989961054 in words is "three billion, nine hundred eighty-nine million, nine hundred sixty-one thousand, fifty-four".