2981207 has 4 divisors (see below), whose sum is σ = 2985456. Its totient is φ = 2976960.

The previous prime is 2981189. The next prime is 2981221. The reversal of 2981207 is 7021892.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2981207 - 2⁸ = 2980951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2981207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794 + ... + 2567.

It is an arithmetic number, because the mean of its divisors is an integer number (746364).

2^2981207 is an apocalyptic number.

2981207 is a deficient number, since it is larger than the sum of its proper divisors (4249).

2981207 is an equidigital number, since it uses as much as digits as its factorization.

2981207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2981207 is about 1726.6172129340. The cubic root of 2981207 is about 143.9231682470.

The spelling of 2981207 in words is "two million, nine hundred eighty-one thousand, two hundred seven".