2947436 has 12 divisors (see below), whose sum is σ = 5255712. Its totient is φ = 1445808.

The previous prime is 2947429. The next prime is 2947447. The reversal of 2947436 is 6347492.

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 = 2947396 and 2947405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6740 + ... + 7163.

It is an arithmetic number, because the mean of its divisors is an integer number (437976).

2^2947436 is an apocalyptic number.

It is an amenable number.

2947436 is a deficient number, since it is larger than the sum of its proper divisors (2308276).

2947436 is a wasteful number, since it uses less digits than its factorization.

2947436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13960 (or 13958 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 2947436 is about 1716.8098322179. The cubic root of 2947436 is about 143.3776510996.

The spelling of 2947436 in words is "two million, nine hundred forty-seven thousand, four hundred thirty-six".