2947433 has 4 divisors (see below), whose sum is σ = 2958660. Its totient is φ = 2936208.

The previous prime is 2947429. The next prime is 2947447. The reversal of 2947433 is 3347492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 896809 + 2050624 = 947^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 2947433 - 2² = 2947429 is a prime.

It is a super-2 number, since 2×2947433² = 17374722578978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2947433.

It is not an unprimeable number, because it can be changed into a prime (2947403) by changing a digit.

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, 5210 + ... + 5747.

It is an arithmetic number, because the mean of its divisors is an integer number (739665).

2^2947433 is an apocalyptic number.

It is an amenable number.

2947433 is a deficient number, since it is larger than the sum of its proper divisors (11227).

2947433 is a wasteful number, since it uses less digits than its factorization.

2947433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11226.

The product of its digits is 18144, while the sum is 32.

The square root of 2947433 is about 1716.8089585041. The cubic root of 2947433 is about 143.3776024547.

The spelling of 2947433 in words is "two million, nine hundred forty-seven thousand, four hundred thirty-three".