2947434 has 16 divisors (see below), whose sum is σ = 6737088. Its totient is φ = 842112.

The previous prime is 2947429. The next prime is 2947447. The reversal of 2947434 is 4347492.

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 = 2947395 and 2947404.

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 7 ways as a sum of consecutive naturals, for example, 35047 + ... + 35130.

It is an arithmetic number, because the mean of its divisors is an integer number (421068).

2^2947434 is an apocalyptic number.

2947434 is an abundant number, since it is smaller than the sum of its proper divisors (3789654).

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

2947434 is a wasteful number, since it uses less digits than its factorization.

2947434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70189.

The product of its digits is 24192, while the sum is 33.

The square root of 2947434 is about 1716.8092497421. The cubic root of 2947434 is about 143.3776186697.

The spelling of 2947434 in words is "two million, nine hundred forty-seven thousand, four hundred thirty-four".