2972215 has 8 divisors (see below), whose sum is σ = 3593520. Its totient is φ = 2359872.

The previous prime is 2972197. The next prime is 2972219. The reversal of 2972215 is 5122792.

2972215 = 769² + 770² + ... + 773².

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 2972215 - 2⁵ = 2972183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485 + ... + 2854.

It is an arithmetic number, because the mean of its divisors is an integer number (449190).

2^2972215 is an apocalyptic number.

2972215 is a deficient number, since it is larger than the sum of its proper divisors (621305).

2972215 is a wasteful number, since it uses less digits than its factorization.

2972215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481.

The product of its digits is 2520, while the sum is 28.

The square root of 2972215 is about 1724.0113108678. The cubic root of 2972215 is about 143.7783208220.

The spelling of 2972215 in words is "two million, nine hundred seventy-two thousand, two hundred fifteen".