2920682 has 4 divisors (see below), whose sum is σ = 4381026. Its totient is φ = 1460340.

The previous prime is 2920649. The next prime is 2920691. The reversal of 2920682 is 2860292.

It is a happy number.

It is a Cunningham number, because it is equal to 1709²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 2920681 + 1 = 1709^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730169 + ... + 730172.

2^2920682 is an apocalyptic number.

2920682 is a deficient number, since it is larger than the sum of its proper divisors (1460344).

2920682 is a wasteful number, since it uses less digits than its factorization.

2920682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460343.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2920682 is about 1709.0002925687. Note that the first 3 decimals coincide. The cubic root of 2920682 is about 142.9425168735.

The spelling of 2920682 in words is "two million, nine hundred twenty thousand, six hundred eighty-two".