2920000 has 70 divisors (see below), whose sum is σ = 7339838. Its totient is φ = 1152000.

The previous prime is 2919989. The next prime is 2920013. The reversal of 2920000 is 292.

It can be written as a sum of positive squares in 5 ways, for example, as 1048576 + 1871424 = 1024^2 + 1368^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39964 + ... + 40036.

2^2920000 is an apocalyptic number.

2920000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3669919).

2920000 is an abundant number, since it is smaller than the sum of its proper divisors (4419838).

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

2920000 is an frugal number, since it uses more digits than its factorization.

2920000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2920000 is about 1708.8007490635. The cubic root of 2920000 is about 142.9313899763.

Adding to 2920000 its reverse (292), we get a palindrome (2920292).

Multiplying 2920000 by its reverse (292), we get a square (852640000 = 29200²).

2920000 divided by its reverse (292) gives a 4-th power (10000 = 10⁴).

The spelling of 2920000 in words is "two million, nine hundred twenty thousand".