2939794420 has 12 divisors (see below), whose sum is σ = 6173568324. Its totient is φ = 1175917760.

The previous prime is 2939794393. The next prime is 2939794439. The reversal of 2939794420 is 244979392.

It can be written as a sum of positive squares in 2 ways, for example, as 518563984 + 2421230436 = 22772^2 + 49206^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73494841 + ... + 73494880.

It is an arithmetic number, because the mean of its divisors is an integer number (514464027).

Almost surely, 2^2939794420 is an apocalyptic number.

2939794420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2939794420 is an abundant number, since it is smaller than the sum of its proper divisors (3233773904).

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

2939794420 is a wasteful number, since it uses less digits than its factorization.

2939794420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146989730 (or 146989728 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 2939794420 is about 54219.8710806287. The cubic root of 2939794420 is about 1432.5363596585.

The spelling of 2939794420 in words is "two billion, nine hundred thirty-nine million, seven hundred ninety-four thousand, four hundred twenty".