2649427 has 8 divisors (see below), whose sum is σ = 2918592. Its totient is φ = 2385000.

The previous prime is 2649421. The next prime is 2649431. The reversal of 2649427 is 7249462.

2649427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2649427 - 2⁷ = 2649299 is a prime.

It is a Duffinian number.

2649427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2649392 and 2649401.

It is not an unprimeable number, because it can be changed into a prime (2649421) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 52 + ... + 2302.

It is an arithmetic number, because the mean of its divisors is an integer number (364824).

2^2649427 is an apocalyptic number.

2649427 is a deficient number, since it is larger than the sum of its proper divisors (269165).

2649427 is a wasteful number, since it uses less digits than its factorization.

2649427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369.

The product of its digits is 24192, while the sum is 34.

The square root of 2649427 is about 1627.7060545442. The cubic root of 2649427 is about 138.3727756435.

The spelling of 2649427 in words is "two million, six hundred forty-nine thousand, four hundred twenty-seven".