2943236 has 6 divisors (see below), whose sum is σ = 5150670. Its totient is φ = 1471616.

The previous prime is 2943229. The next prime is 2943247. The reversal of 2943236 is 6323492.

It can be written as a sum of positive squares in only one way, i.e., 1943236 + 1000000 = 1394^2 + 1000^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2943199 and 2943208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367901 + ... + 367908.

It is an arithmetic number, because the mean of its divisors is an integer number (858445).

2^2943236 is an apocalyptic number.

It is an amenable number.

2943236 is a deficient number, since it is larger than the sum of its proper divisors (2207434).

2943236 is a wasteful number, since it uses less digits than its factorization.

2943236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735813 (or 735811 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 2943236 is about 1715.5861971933. The cubic root of 2943236 is about 143.3095159031.

The spelling of 2943236 in words is "two million, nine hundred forty-three thousand, two hundred thirty-six".