2920900 has 18 divisors (see below), whose sum is σ = 6338570. Its totient is φ = 1168320.

The previous prime is 2920877. The next prime is 2920901. The reversal of 2920900 is 90292.

It can be written as a sum of positive squares in 3 ways, for example, as 125316 + 2795584 = 354^2 + 1672^2 .

It is not an unprimeable number, because it can be changed into a prime (2920901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14505 + ... + 14704.

2^2920900 is an apocalyptic number.

2920900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2920900 is an abundant number, since it is smaller than the sum of its proper divisors (3417670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2920900 is a wasteful number, since it uses less digits than its factorization.

2920900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29223 (or 29216 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2920900 is about 1709.0640713560. The cubic root of 2920900 is about 142.9460731997.

The spelling of 2920900 in words is "two million, nine hundred twenty thousand, nine hundred".