2971242 has 20 divisors (see below), whose sum is σ = 6658146. Its totient is φ = 990360.

The previous prime is 2971223. The next prime is 2971247. The reversal of 2971242 is 2421792.

It can be written as a sum of positive squares in only one way, i.e., 2893401 + 77841 = 1701^2 + 279^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2971247) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9009 + ... + 9332.

2^2971242 is an apocalyptic number.

2971242 is an abundant number, since it is smaller than the sum of its proper divisors (3686904).

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

2971242 is a wasteful number, since it uses less digits than its factorization.

2971242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18355 (or 18346 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2971242 is about 1723.7290970451. The cubic root of 2971242 is about 143.7626297662.

The spelling of 2971242 in words is "two million, nine hundred seventy-one thousand, two hundred forty-two".