2938969854 has 48 divisors (see below), whose sum is σ = 6681916800. Its totient is φ = 931804368.

The previous prime is 2938969783. The next prime is 2938969861. The reversal of 2938969854 is 4589698392.

It is a junction number, because it is equal to n+sod(n) for n = 2938969791 and 2938969800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54277 + ... + 93935.

It is an arithmetic number, because the mean of its divisors is an integer number (139206600).

Almost surely, 2^2938969854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2938969854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3340958400).

2938969854 is an abundant number, since it is smaller than the sum of its proper divisors (3742946946).

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

2938969854 is a wasteful number, since it uses less digits than its factorization.

2938969854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39869 (or 39866 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The square root of 2938969854 is about 54212.2666377269. The cubic root of 2938969854 is about 1432.4024125109.

The spelling of 2938969854 in words is "two billion, nine hundred thirty-eight million, nine hundred sixty-nine thousand, eight hundred fifty-four".