2920605 has 8 divisors (see below), whose sum is σ = 4672992. Its totient is φ = 1557648.

The previous prime is 2920591. The next prime is 2920633. The reversal of 2920605 is 5060292.

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

It is not a de Polignac number, because 2920605 - 2⁸ = 2920349 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97339 + ... + 97368.

It is an arithmetic number, because the mean of its divisors is an integer number (584124).

2^2920605 is an apocalyptic number.

It is an amenable number.

2920605 is a deficient number, since it is larger than the sum of its proper divisors (1752387).

2920605 is a wasteful number, since it uses less digits than its factorization.

2920605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194715.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2920605 is about 1708.9777646301. The cubic root of 2920605 is about 142.9412606977.

Adding to 2920605 its reverse (5060292), we get a palindrome (7980897).

The spelling of 2920605 in words is "two million, nine hundred twenty thousand, six hundred five".