2790478 has 8 divisors (see below), whose sum is σ = 4195080. Its totient is φ = 1392120.

The previous prime is 2790461. The next prime is 2790479. The reversal of 2790478 is 8740972.

It is a happy number.

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 (2790479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (524385).

2^2790478 is an apocalyptic number.

2790478 is a deficient number, since it is larger than the sum of its proper divisors (1404602).

2790478 is a wasteful number, since it uses less digits than its factorization.

2790478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2790478 is about 1670.4723882782. The cubic root of 2790478 is about 140.7860208552.

The spelling of 2790478 in words is "two million, seven hundred ninety thousand, four hundred seventy-eight".