2649455 has 12 divisors (see below), whose sum is σ = 3366840. Its totient is φ = 1995984.

The previous prime is 2649431. The next prime is 2649473. The reversal of 2649455 is 5549462.

It is a happy number.

It is not a de Polignac number, because 2649455 - 2⁶ = 2649391 is a prime.

It is a super-2 number, since 2×2649455² = 14039223594050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15782 + ... + 15948.

It is an arithmetic number, because the mean of its divisors is an integer number (280570).

2^2649455 is an apocalyptic number.

2649455 is a deficient number, since it is larger than the sum of its proper divisors (717385).

2649455 is an equidigital number, since it uses as much as digits as its factorization.

2649455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 191 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 2649455 is about 1627.7146555831. The cubic root of 2649455 is about 138.3732630978.

The spelling of 2649455 in words is "two million, six hundred forty-nine thousand, four hundred fifty-five".