2798478 has 24 divisors (see below), whose sum is σ = 6124248. Its totient is φ = 923472.

The previous prime is 2798461. The next prime is 2798503. The reversal of 2798478 is 8748972.

Its product of digits (225792) is a multiple of the sum of its prime factors (1568).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1200 + ... + 2652.

It is an arithmetic number, because the mean of its divisors is an integer number (255177).

2^2798478 is an apocalyptic number.

2798478 is an abundant number, since it is smaller than the sum of its proper divisors (3325770).

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

2798478 is a wasteful number, since it uses less digits than its factorization.

2798478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1565 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 2798478 is about 1672.8652067635. The cubic root of 2798478 is about 140.9204319444.

The spelling of 2798478 in words is "two million, seven hundred ninety-eight thousand, four hundred seventy-eight".