2870506 has 8 divisors (see below), whose sum is σ = 4364964. Its totient is φ = 1415520.

The previous prime is 2870473. The next prime is 2870513. The reversal of 2870506 is 6050782.

It can be written as a sum of positive squares in 2 ways, for example, as 2859481 + 11025 = 1691^2 + 105^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9685 + ... + 9976.

2^2870506 is an apocalyptic number.

2870506 is a deficient number, since it is larger than the sum of its proper divisors (1494458).

2870506 is a wasteful number, since it uses less digits than its factorization.

2870506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19736.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2870506 is about 1694.2567692059. The cubic root of 2870506 is about 142.1192214383.

The spelling of 2870506 in words is "two million, eight hundred seventy thousand, five hundred six".