2948991 has 16 divisors (see below), whose sum is σ = 4162560. Its totient is φ = 1853280.

The previous prime is 2948987. The next prime is 2949013. The reversal of 2948991 is 1998492.

It is not a de Polignac number, because 2948991 - 2² = 2948987 is a prime.

2948991 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2948951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5181 + ... + 5721.

It is an arithmetic number, because the mean of its divisors is an integer number (260160).

2^2948991 is an apocalyptic number.

2948991 is a deficient number, since it is larger than the sum of its proper divisors (1213569).

2948991 is a wasteful number, since it uses less digits than its factorization.

2948991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

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

The square root of 2948991 is about 1717.2626473548. The cubic root of 2948991 is about 143.4028609261.

The spelling of 2948991 in words is "two million, nine hundred forty-eight thousand, nine hundred ninety-one".