649167 has 8 divisors (see below), whose sum is σ = 869424. Its totient is φ = 430848.

The previous prime is 649157. The next prime is 649183. The reversal of 649167 is 761946.

It is a happy number.

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

It is not a de Polignac number, because 649167 - 2⁴ = 649151 is a prime.

It is a d-powerful number, because it can be written as 6 + 4³ + 1 + 9⁶ + 6 + 7⁶ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 649167.

It is not an unprimeable number, because it can be changed into a prime (649147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753 + ... + 1365.

It is an arithmetic number, because the mean of its divisors is an integer number (108678).

2⁶⁴⁹¹⁶⁷ is an apocalyptic number.

649167 is a deficient number, since it is larger than the sum of its proper divisors (220257).

649167 is a wasteful number, since it uses less digits than its factorization.

649167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969.

The product of its digits is 9072, while the sum is 33.

The square root of 649167 is about 805.7090045420. The cubic root of 649167 is about 86.5868907578.

The spelling of 649167 in words is "six hundred forty-nine thousand, one hundred sixty-seven".