940653 has 36 divisors (see below), whose sum is σ = 1659840. Its totient is φ = 530712.

The previous prime is 940649. The next prime is 940669. The reversal of 940653 is 356049.

It is a happy number.

940653 is a `hidden beast` number, since 9 + 4 + 0 + 653 = 666.

It is not a de Polignac number, because 940653 - 2² = 940649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940553) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11868 + ... + 11946.

2⁹⁴⁰⁶⁵³ is an apocalyptic number.

It is an amenable number.

940653 is a deficient number, since it is larger than the sum of its proper divisors (719187).

940653 is an equidigital number, since it uses as much as digits as its factorization.

940653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 940653 is about 969.8726720555. The cubic root of 940653 is about 97.9812889447.

The spelling of 940653 in words is "nine hundred forty thousand, six hundred fifty-three".