2991948 has 12 divisors (see below), whose sum is σ = 6981240. Its totient is φ = 997312.

The previous prime is 2991929. The next prime is 2991971. The reversal of 2991948 is 8491992.

It is a tau number, because it is divible by the number of its divisors (12).

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, 124653 + ... + 124676.

It is an arithmetic number, because the mean of its divisors is an integer number (581770).

2^2991948 is an apocalyptic number.

It is an amenable number.

2991948 is an abundant number, since it is smaller than the sum of its proper divisors (3989292).

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

2991948 is a wasteful number, since it uses less digits than its factorization.

2991948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249336 (or 249334 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 2991948 is about 1729.7248336079. The cubic root of 2991948 is about 144.0958081550.

The spelling of 2991948 in words is "two million, nine hundred ninety-one thousand, nine hundred forty-eight".