2978246 has 8 divisors (see below), whose sum is σ = 4490640. Its totient is φ = 1481368.

The previous prime is 2978233. The next prime is 2978251. The reversal of 2978246 is 6428792.

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

It is a Curzon number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3386 + ... + 4173.

It is an arithmetic number, because the mean of its divisors is an integer number (561330).

2^2978246 is an apocalyptic number.

2978246 is a deficient number, since it is larger than the sum of its proper divisors (1512394).

2978246 is a wasteful number, since it uses less digits than its factorization.

2978246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7758.

The product of its digits is 48384, while the sum is 38.

The square root of 2978246 is about 1725.7595429260. The cubic root of 2978246 is about 143.8755032499.

The spelling of 2978246 in words is "two million, nine hundred seventy-eight thousand, two hundred forty-six".