2999668 has 24 divisors (see below), whose sum is σ = 6048000. Its totient is φ = 1275168.

The previous prime is 2999651. The next prime is 2999677. The reversal of 2999668 is 8669992.

It is a happy number.

It is a super-2 number, since 2×2999668² = 17996016220448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3813 + ... + 4531.

It is an arithmetic number, because the mean of its divisors is an integer number (252000).

2^2999668 is an apocalyptic number.

2999668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2999668 is an abundant number, since it is smaller than the sum of its proper divisors (3048332).

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

2999668 is a wasteful number, since it uses less digits than its factorization.

2999668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 877 counting only the distinct ones).

The product of its digits is 419904, while the sum is 49.

The square root of 2999668 is about 1731.9549647725. The cubic root of 2999668 is about 144.2196365361.

The spelling of 2999668 in words is "two million, nine hundred ninety-nine thousand, six hundred sixty-eight".