2939646 has 8 divisors (see below), whose sum is σ = 5879304. Its totient is φ = 979880.

The previous prime is 2939641. The next prime is 2939663. The reversal of 2939646 is 6469392.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2939646 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244965 + ... + 244976.

It is an arithmetic number, because the mean of its divisors is an integer number (734913).

2^2939646 is an apocalyptic number.

2939646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2939646 is a wasteful number, since it uses less digits than its factorization.

2939646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489946.

The product of its digits is 69984, while the sum is 39.

The square root of 2939646 is about 1714.5395883443. The cubic root of 2939646 is about 143.2512251326.

The spelling of 2939646 in words is "two million, nine hundred thirty-nine thousand, six hundred forty-six".