1456649 has 4 divisors (see below), whose sum is σ = 1471764. Its totient is φ = 1441536.

The previous prime is 1456643. The next prime is 1456657. The reversal of 1456649 is 9466541.

1456649 = T₁₂ + T₁₃ + ... + T₂₀₅.

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

It can be written as a sum of positive squares in 2 ways, for example, as 573049 + 883600 = 757^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 1456649 - 2⁴ = 1456633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1456643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7412 + ... + 7605.

It is an arithmetic number, because the mean of its divisors is an integer number (367941).

2^1456649 is an apocalyptic number.

It is an amenable number.

1456649 is a deficient number, since it is larger than the sum of its proper divisors (15115).

1456649 is an equidigital number, since it uses as much as digits as its factorization.

1456649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15114.

The product of its digits is 25920, while the sum is 35.

The square root of 1456649 is about 1206.9171471149. The cubic root of 1456649 is about 113.3578599359.

The spelling of 1456649 in words is "one million, four hundred fifty-six thousand, six hundred forty-nine".