2979646146 has 24 divisors (see below), whose sum is σ = 6457615164. Its totient is φ = 992951520.

The previous prime is 2979646141. The next prime is 2979646207. The reversal of 2979646146 is 6416469792.

It is a happy number.

2979646146 is a `hidden beast` number, since 2 + 97 + 96 + 461 + 4 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2969051121 + 10595025 = 54489^2 + 3255^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2979646092 and 2979646101.

It is not an unprimeable number, because it can be changed into a prime (2979646141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54916 + ... + 94736.

Almost surely, 2^2979646146 is an apocalyptic number.

2979646146 is an abundant number, since it is smaller than the sum of its proper divisors (3477969018).

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

2979646146 is a wasteful number, since it uses less digits than its factorization.

2979646146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43986 (or 43983 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 2979646146 is about 54586.1351077359. The cubic root of 2979646146 is about 1438.9804617735.

It can be divided in two parts, 2979646 and 146, that added together give a palindrome (2979792).

The spelling of 2979646146 in words is "two billion, nine hundred seventy-nine million, six hundred forty-six thousand, one hundred forty-six".