2797478 has 8 divisors (see below), whose sum is σ = 4204872. Its totient is φ = 1395856.

The previous prime is 2797477. The next prime is 2797481. The reversal of 2797478 is 8747972.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797477) 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, 101 + ... + 2367.

It is an arithmetic number, because the mean of its divisors is an integer number (525609).

2^2797478 is an apocalyptic number.

2797478 is a deficient number, since it is larger than the sum of its proper divisors (1407394).

2797478 is a wasteful number, since it uses less digits than its factorization.

2797478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886.

The product of its digits is 197568, while the sum is 44.

The square root of 2797478 is about 1672.5662916608. The cubic root of 2797478 is about 140.9036445787.

The spelling of 2797478 in words is "two million, seven hundred ninety-seven thousand, four hundred seventy-eight".