2945478 has 8 divisors (see below), whose sum is σ = 5890968. Its totient is φ = 981824.

The previous prime is 2945473. The next prime is 2945479. The reversal of 2945478 is 8745492.

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

2945478 is an admirable number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945473) 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, 245451 + ... + 245462.

It is an arithmetic number, because the mean of its divisors is an integer number (736371).

2^2945478 is an apocalyptic number.

2945478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2945478 is a wasteful number, since it uses less digits than its factorization.

2945478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490918.

The product of its digits is 80640, while the sum is 39.

The square root of 2945478 is about 1716.2394937770. The cubic root of 2945478 is about 143.3458951793.

The spelling of 2945478 in words is "two million, nine hundred forty-five thousand, four hundred seventy-eight".