2939936 has 12 divisors (see below), whose sum is σ = 5788062. Its totient is φ = 1469952.

The previous prime is 2939917. The next prime is 2939941. The reversal of 2939936 is 6399392.

It is a happy number.

2939936 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in only one way, i.e., 1547536 + 1392400 = 1244^2 + 1180^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2939893 and 2939902.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45905 + ... + 45968.

2^2939936 is an apocalyptic number.

It is an amenable number.

2939936 is a deficient number, since it is larger than the sum of its proper divisors (2848126).

2939936 is an equidigital number, since it uses as much as digits as its factorization.

2939936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91883 (or 91875 counting only the distinct ones).

The product of its digits is 78732, while the sum is 41.

The square root of 2939936 is about 1714.6241570677. The cubic root of 2939936 is about 143.2559356192.

The spelling of 2939936 in words is "two million, nine hundred thirty-nine thousand, nine hundred thirty-six".