2859478 has 8 divisors (see below), whose sum is σ = 4301568. Its totient is φ = 1425624.

The previous prime is 2859473. The next prime is 2859491. The reversal of 2859478 is 8749582.

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

It is a super-2 number, since 2×2859478² = 16353228864968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2859473) 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, 1101 + ... + 2632.

It is an arithmetic number, because the mean of its divisors is an integer number (537696).

2^2859478 is an apocalyptic number.

2859478 is a deficient number, since it is larger than the sum of its proper divisors (1442090).

2859478 is a wasteful number, since it uses less digits than its factorization.

2859478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118.

The product of its digits is 161280, while the sum is 43.

The square root of 2859478 is about 1690.9991129507. Note that the first 3 decimals coincide. The cubic root of 2859478 is about 141.9369885082.

The spelling of 2859478 in words is "two million, eight hundred fifty-nine thousand, four hundred seventy-eight".