2867945 has 8 divisors (see below), whose sum is σ = 3461640. Its totient is φ = 2280960.

The previous prime is 2867941. The next prime is 2867947. The reversal of 2867945 is 5497682.

It can be written as a sum of positive squares in 4 ways, for example, as 72361 + 2795584 = 269^2 + 1672^2 .

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

It is not a de Polignac number, because 2867945 - 2² = 2867941 is a prime.

It is a d-powerful number, because it can be written as 2¹⁸ + 8⁴ + 6⁸ + 7 + 9⁶ + 4² + 5⁸ .

It is not an unprimeable number, because it can be changed into a prime (2867941) 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, 680 + ... + 2489.

It is an arithmetic number, because the mean of its divisors is an integer number (432705).

2^2867945 is an apocalyptic number.

It is an amenable number.

2867945 is a deficient number, since it is larger than the sum of its proper divisors (593695).

2867945 is a wasteful number, since it uses less digits than its factorization.

2867945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355.

The product of its digits is 120960, while the sum is 41.

The square root of 2867945 is about 1693.5008119278. The cubic root of 2867945 is about 142.0769436865.

The spelling of 2867945 in words is "two million, eight hundred sixty-seven thousand, nine hundred forty-five".