2653378 has 32 divisors (see below), whose sum is σ = 4999680. Its totient is φ = 1028160.

The previous prime is 2653363. The next prime is 2653421. The reversal of 2653378 is 8733562.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁷ + 5⁷ + 3¹⁰ + 3¹³ + 7⁶ + 8 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10983 + ... + 11221.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

2^2653378 is an apocalyptic number.

2653378 is a deficient number, since it is larger than the sum of its proper divisors (2346302).

2653378 is a wasteful number, since it uses less digits than its factorization.

2653378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322.

The product of its digits is 30240, while the sum is 34.

The square root of 2653378 is about 1628.9192736290. The cubic root of 2653378 is about 138.4415250118.

The spelling of 2653378 in words is "two million, six hundred fifty-three thousand, three hundred seventy-eight".