2455930 has 8 divisors (see below), whose sum is σ = 4420692. Its totient is φ = 982368.

The previous prime is 2455927. The next prime is 2455931. The reversal of 2455930 is 395542.

It can be written as a sum of positive squares in 2 ways, for example, as 2455489 + 441 = 1567^2 + 21^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2455931) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 122787 + ... + 122806.

2^2455930 is an apocalyptic number.

2455930 is a deficient number, since it is larger than the sum of its proper divisors (1964762).

2455930 is a wasteful number, since it uses less digits than its factorization.

2455930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245600.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2455930 is about 1567.1407084241. The cubic root of 2455930 is about 134.9186524093.

The spelling of 2455930 in words is "two million, four hundred fifty-five thousand, nine hundred thirty".