649077 has 32 divisors (see below), whose sum is σ = 1088640. Its totient is φ = 337920.

The previous prime is 649073. The next prime is 649079. The reversal of 649077 is 770946.

It is not a de Polignac number, because 649077 - 2² = 649073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649073) 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 31 ways as a sum of consecutive naturals, for example, 7249 + ... + 7337.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2⁶⁴⁹⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

649077 is a deficient number, since it is larger than the sum of its proper divisors (439563).

649077 is a wasteful number, since it uses less digits than its factorization.

649077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 649077 is about 805.6531511761. The cubic root of 649077 is about 86.5828891268.

The spelling of 649077 in words is "six hundred forty-nine thousand, seventy-seven".