946651 has 4 divisors (see below), whose sum is σ = 948600. Its totient is φ = 944704.

The previous prime is 946607. The next prime is 946661. The reversal of 946651 is 156649.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156649 = 43 ⋅3643.

It is a cyclic number.

It is not a de Polignac number, because 946651 - 2¹³ = 938459 is a prime.

It is a super-2 number, since 2×946651² = 1792296231602, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (946661) 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 3 ways as a sum of consecutive naturals, for example, 420 + ... + 1438.

It is an arithmetic number, because the mean of its divisors is an integer number (237150).

2⁹⁴⁶⁶⁵¹ is an apocalyptic number.

946651 is a deficient number, since it is larger than the sum of its proper divisors (1949).

946651 is a wasteful number, since it uses less digits than its factorization.

946651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948.

The product of its digits is 6480, while the sum is 31.

The square root of 946651 is about 972.9599169544. The cubic root of 946651 is about 98.1891045274.

The spelling of 946651 in words is "nine hundred forty-six thousand, six hundred fifty-one".