2946657620 has 24 divisors (see below), whose sum is σ = 6275138688. Its totient is φ = 1162061600.

The previous prime is 2946657613. The next prime is 2946657647. The reversal of 2946657620 is 267566492.

It is a super-2 number, since 2×2946657620² = 17365582259008128800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036136 + ... + 1038975.

It is an arithmetic number, because the mean of its divisors is an integer number (261464112).

Almost surely, 2^2946657620 is an apocalyptic number.

2946657620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2946657620 is an abundant number, since it is smaller than the sum of its proper divisors (3328481068).

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

2946657620 is a wasteful number, since it uses less digits than its factorization.

2946657620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075191 (or 2075189 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 2946657620 is about 54283.1246337202. The cubic root of 2946657620 is about 1433.6502858954.

The spelling of 2946657620 in words is "two billion, nine hundred forty-six million, six hundred fifty-seven thousand, six hundred twenty".