966649 has 8 divisors (see below), whose sum is σ = 1001088. Its totient is φ = 932880.

The previous prime is 966631. The next prime is 966653. The reversal of 966649 is 946669.

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

It is a cyclic number.

It is not a de Polignac number, because 966649 - 2⁵ = 966617 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966619) 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, 6079 + ... + 6235.

It is an arithmetic number, because the mean of its divisors is an integer number (125136).

2⁹⁶⁶⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

966649 is a deficient number, since it is larger than the sum of its proper divisors (34439).

966649 is a wasteful number, since it uses less digits than its factorization.

966649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its digits is 69984, while the sum is 40.

The square root of 966649 is about 983.1830958677. The cubic root of 966649 is about 98.8757070246.

The spelling of 966649 in words is "nine hundred sixty-six thousand, six hundred forty-nine".