940651 has 4 divisors (see below), whose sum is σ = 966112. Its totient is φ = 915192.

The previous prime is 940649. The next prime is 940669. The reversal of 940651 is 156049.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156049 = 29 ⋅5381.

It is a cyclic number.

It is not a de Polignac number, because 940651 - 2¹ = 940649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940691) 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, 12675 + ... + 12748.

It is an arithmetic number, because the mean of its divisors is an integer number (241528).

2⁹⁴⁰⁶⁵¹ is an apocalyptic number.

940651 is a deficient number, since it is larger than the sum of its proper divisors (25461).

940651 is a wasteful number, since it uses less digits than its factorization.

940651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25460.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 940651 is about 969.8716409917. The cubic root of 940651 is about 97.9812195027.

The spelling of 940651 in words is "nine hundred forty thousand, six hundred fifty-one".