2723971 has 8 divisors (see below), whose sum is σ = 2798640. Its totient is φ = 2650368.

The previous prime is 2723969. The next prime is 2723989. The reversal of 2723971 is 1793272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2723971 - 2¹ = 2723969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2723911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7915 + ... + 8251.

It is an arithmetic number, because the mean of its divisors is an integer number (349830).

2^2723971 is an apocalyptic number.

2723971 is a deficient number, since it is larger than the sum of its proper divisors (74669).

2723971 is a wasteful number, since it uses less digits than its factorization.

2723971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533.

The product of its digits is 5292, while the sum is 31.

The square root of 2723971 is about 1650.4456973800. The cubic root of 2723971 is about 139.6585385976.

The spelling of 2723971 in words is "two million, seven hundred twenty-three thousand, nine hundred seventy-one".