2949930 has 48 divisors (see below), whose sum is σ = 7792200. Its totient is φ = 774144.

The previous prime is 2949923. The next prime is 2949931. The reversal of 2949930 is 399492.

It can be written as a sum of positive squares in 4 ways, for example, as 2556801 + 393129 = 1599^2 + 627^2 .

It is not an unprimeable number, because it can be changed into a prime (2949931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6346 + ... + 6794.

2^2949930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2949930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3896100).

2949930 is an abundant number, since it is smaller than the sum of its proper divisors (4842270).

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

2949930 is a wasteful number, since it uses less digits than its factorization.

2949930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 2949930 is about 1717.5360258230. The cubic root of 2949930 is about 143.4180798035.

The spelling of 2949930 in words is "two million, nine hundred forty-nine thousand, nine hundred thirty".