2456306 has 4 divisors (see below), whose sum is σ = 3684462. Its totient is φ = 1228152.

The previous prime is 2456303. The next prime is 2456323. The reversal of 2456306 is 6036542.

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

It can be written as a sum of positive squares in only one way, i.e., 1343281 + 1113025 = 1159^2 + 1055^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2456303) 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 as a sum of consecutive naturals, namely, 614075 + ... + 614078.

2^2456306 is an apocalyptic number.

2456306 is a deficient number, since it is larger than the sum of its proper divisors (1228156).

2456306 is a wasteful number, since it uses less digits than its factorization.

2456306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228155.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2456306 is about 1567.2606675343. The cubic root of 2456306 is about 134.9255373537.

The spelling of 2456306 in words is "two million, four hundred fifty-six thousand, three hundred six".