2939490 has 80 divisors (see below), whose sum is σ = 8363520. Its totient is φ = 738720.

The previous prime is 2939479. The next prime is 2939533. The reversal of 2939490 is 949392.

2939490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 15295 + ... + 15485.

It is an arithmetic number, because the mean of its divisors is an integer number (104544).

2^2939490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2939490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4181760).

2939490 is an abundant number, since it is smaller than the sum of its proper divisors (5424030).

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

2939490 is a wasteful number, since it uses less digits than its factorization.

2939490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 220 counting only the distinct ones).

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

The square root of 2939490 is about 1714.4940944780. The cubic root of 2939490 is about 143.2486910875.

The spelling of 2939490 in words is "two million, nine hundred thirty-nine thousand, four hundred ninety".