2947258 has 8 divisors (see below), whose sum is σ = 4429152. Its totient is φ = 1470876.

The previous prime is 2947249. The next prime is 2947271. The reversal of 2947258 is 8527492.

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is a congruent number.

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, 441 + ... + 2467.

It is an arithmetic number, because the mean of its divisors is an integer number (553644).

2^2947258 is an apocalyptic number.

2947258 is a deficient number, since it is larger than the sum of its proper divisors (1481894).

2947258 is a wasteful number, since it uses less digits than its factorization.

2947258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756.

The product of its digits is 40320, while the sum is 37.

The square root of 2947258 is about 1716.7579910983. The cubic root of 2947258 is about 143.3747647790.

The spelling of 2947258 in words is "two million, nine hundred forty-seven thousand, two hundred fifty-eight".