2798154 has 12 divisors (see below), whose sum is σ = 6062706. Its totient is φ = 932712.

The previous prime is 2798143. The next prime is 2798161. The reversal of 2798154 is 4518972.

It can be written as a sum of positive squares in only one way, i.e., 2634129 + 164025 = 1623^2 + 405^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77709 + ... + 77744.

2^2798154 is an apocalyptic number.

2798154 is an abundant number, since it is smaller than the sum of its proper divisors (3264552).

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

2798154 is a wasteful number, since it uses less digits than its factorization.

2798154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155461 (or 155458 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2798154 is about 1672.7683641198. The cubic root of 2798154 is about 140.9149932759.

The spelling of 2798154 in words is "two million, seven hundred ninety-eight thousand, one hundred fifty-four".