2648457 has 32 divisors (see below), whose sum is σ = 4565760. Its totient is φ = 1504656.

The previous prime is 2648449. The next prime is 2648479. The reversal of 2648457 is 7548462.

2648457 is a `hidden beast` number, since 2 + 648 + 4 + 5 + 7 = 666.

It is not a de Polignac number, because 2648457 - 2³ = 2648449 is a prime.

2648457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2648057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15223 + ... + 15395.

It is an arithmetic number, because the mean of its divisors is an integer number (142680).

2^2648457 is an apocalyptic number.

2648457 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2648457 is a deficient number, since it is larger than the sum of its proper divisors (1917303).

2648457 is an frugal number, since it uses more digits than its factorization.

2648457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 183 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 2648457 is about 1627.4080619193. The cubic root of 2648457 is about 138.3558867116.

The spelling of 2648457 in words is "two million, six hundred forty-eight thousand, four hundred fifty-seven".