2653478 has 4 divisors (see below), whose sum is σ = 3980220. Its totient is φ = 1326738.

The previous prime is 2653459. The next prime is 2653481. The reversal of 2653478 is 8743562.

It is a happy number.

2653478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663368 + ... + 663371.

It is an arithmetic number, because the mean of its divisors is an integer number (995055).

2^2653478 is an apocalyptic number.

2653478 is a deficient number, since it is larger than the sum of its proper divisors (1326742).

2653478 is a wasteful number, since it uses less digits than its factorization.

2653478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326741.

The product of its digits is 40320, while the sum is 35.

The square root of 2653478 is about 1628.9499685380. The cubic root of 2653478 is about 138.4432641758.

The spelling of 2653478 in words is "two million, six hundred fifty-three thousand, four hundred seventy-eight".