940647 has 4 divisors (see below), whose sum is σ = 1254200. Its totient is φ = 627096.

The previous prime is 940619. The next prime is 940649. The reversal of 940647 is 746049.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746049 = 3 ⋅248683.

It is not a de Polignac number, because 940647 - 2¹⁰ = 939623 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940649) 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, 156772 + ... + 156777.

It is an arithmetic number, because the mean of its divisors is an integer number (313550).

2⁹⁴⁰⁶⁴⁷ is an apocalyptic number.

940647 is a deficient number, since it is larger than the sum of its proper divisors (313553).

940647 is a wasteful number, since it uses less digits than its factorization.

940647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313552.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 940647 is about 969.8695788610. The cubic root of 940647 is about 97.9810806182.

It can be divided in two parts, 9406 and 47, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 940647 in words is "nine hundred forty thousand, six hundred forty-seven".