2741991 has 24 divisors (see below), whose sum is σ = 4443264. Its totient is φ = 1496880.

The previous prime is 2741989. The next prime is 2741993. The reversal of 2741991 is 1991472.

It is an interprime number because it is at equal distance from previous prime (2741989) and next prime (2741993).

It is not a de Polignac number, because 2741991 - 2¹ = 2741989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2741993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2976 + ... + 3786.

It is an arithmetic number, because the mean of its divisors is an integer number (185136).

2^2741991 is an apocalyptic number.

2741991 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2741991 is a deficient number, since it is larger than the sum of its proper divisors (1701273).

2741991 is a wasteful number, since it uses less digits than its factorization.

2741991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 844 counting only the distinct ones).

The product of its digits is 4536, while the sum is 33.

The square root of 2741991 is about 1655.8958300570. The cubic root of 2741991 is about 139.9658249916.

The spelling of 2741991 in words is "two million, seven hundred forty-one thousand, nine hundred ninety-one".