2920755 has 8 divisors (see below), whose sum is σ = 4673232. Its totient is φ = 1557728.

The previous prime is 2920751. The next prime is 2920783. The reversal of 2920755 is 5570292.

It is a happy number.

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 2920755 - 2² = 2920751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2920751) 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, 97344 + ... + 97373.

It is an arithmetic number, because the mean of its divisors is an integer number (584154).

2^2920755 is an apocalyptic number.

2920755 is a deficient number, since it is larger than the sum of its proper divisors (1752477).

2920755 is a wasteful number, since it uses less digits than its factorization.

2920755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194725.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 2920755 is about 1709.0216499506. The cubic root of 2920755 is about 142.9437077731.

The spelling of 2920755 in words is "two million, nine hundred twenty thousand, seven hundred fifty-five".