2949870 has 64 divisors (see below), whose sum is σ = 8833536. Its totient is φ = 612480.

The previous prime is 2949841. The next prime is 2949871. The reversal of 2949870 is 789492.

2949870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2949871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1672 + ... + 2948.

It is an arithmetic number, because the mean of its divisors is an integer number (138024).

2^2949870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2949870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4416768).

2949870 is an abundant number, since it is smaller than the sum of its proper divisors (5883666).

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

2949870 is a wasteful number, since it uses less digits than its factorization.

2949870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2949870 is about 1717.5185588517. The cubic root of 2949870 is about 143.4171074478.

The spelling of 2949870 in words is "two million, nine hundred forty-nine thousand, eight hundred seventy".