2711421 has 16 divisors (see below), whose sum is σ = 4043520. Its totient is φ = 1795680.

The previous prime is 2711417. The next prime is 2711431. The reversal of 2711421 is 1241172.

It is not a de Polignac number, because 2711421 - 2² = 2711417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2711394 and 2711403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2711411) 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, 6076 + ... + 6506.

It is an arithmetic number, because the mean of its divisors is an integer number (252720).

2^2711421 is an apocalyptic number.

It is an amenable number.

2711421 is a deficient number, since it is larger than the sum of its proper divisors (1332099).

2711421 is a wasteful number, since it uses less digits than its factorization.

2711421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 667 counting only the distinct ones).

The product of its digits is 112, while the sum is 18.

The square root of 2711421 is about 1646.6393047659. The cubic root of 2711421 is about 139.4437280265.

Adding to 2711421 its reverse (1241172), we get a palindrome (3952593).

The spelling of 2711421 in words is "two million, seven hundred eleven thousand, four hundred twenty-one".