2927681946 has 96 divisors (see below), whose sum is σ = 7508412288. Its totient is φ = 807131520.

The previous prime is 2927681929. The next prime is 2927681963. The reversal of 2927681946 is 6491867292.

It is an interprime number because it is at equal distance from previous prime (2927681929) and next prime (2927681963).

It is a junction number, because it is equal to n+sod(n) for n = 2927681892 and 2927681901.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 403765 + ... + 410951.

It is an arithmetic number, because the mean of its divisors is an integer number (78212628).

Almost surely, 2^2927681946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2927681946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3754206144).

2927681946 is an abundant number, since it is smaller than the sum of its proper divisors (4580730342).

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

2927681946 is a wasteful number, since it uses less digits than its factorization.

2927681946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7316 (or 7313 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 2927681946 is about 54108.0580505344. The cubic root of 2927681946 is about 1430.5662168383.

The spelling of 2927681946 in words is "two billion, nine hundred twenty-seven million, six hundred eighty-one thousand, nine hundred forty-six".