2947342 has 4 divisors (see below), whose sum is σ = 4421016. Its totient is φ = 1473670.

The previous prime is 2947339. The next prime is 2947363. The reversal of 2947342 is 2437492.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736834 + ... + 736837.

It is an arithmetic number, because the mean of its divisors is an integer number (1105254).

2^2947342 is an apocalyptic number.

2947342 is a deficient number, since it is larger than the sum of its proper divisors (1473674).

2947342 is a wasteful number, since it uses less digits than its factorization.

2947342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473673.

The product of its digits is 12096, while the sum is 31.

The square root of 2947342 is about 1716.7824556419. The cubic root of 2947342 is about 143.3761268774.

The spelling of 2947342 in words is "two million, nine hundred forty-seven thousand, three hundred forty-two".