2797578 has 40 divisors (see below), whose sum is σ = 7167072. Its totient is φ = 798984.

The previous prime is 2797567. The next prime is 2797589. The reversal of 2797578 is 8757972.

2797578 is a `hidden beast` number, since 2 + 79 + 7 + 578 = 666.

It is an interprime number because it is at equal distance from previous prime (2797567) and next prime (2797589).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 100 + ... + 2367.

2^2797578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2797578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3583536).

2797578 is an abundant number, since it is smaller than the sum of its proper divisors (4369494).

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

2797578 is a wasteful number, since it uses less digits than its factorization.

2797578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488 (or 2479 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 2797578 is about 1672.5961855750. The cubic root of 2797578 is about 140.9053234953.

It can be divided in two parts, 2797 and 578, that added together give a cube (3375 = 15³).

The spelling of 2797578 in words is "two million, seven hundred ninety-seven thousand, five hundred seventy-eight".