940559647 has 4 divisors (see below), whose sum is σ = 965980216. Its totient is φ = 915139080.

The previous prime is 940559621. The next prime is 940559657. The reversal of 940559647 is 746955049.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 940559647 - 2⁷ = 940559519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 940559647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940559657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12710229 + ... + 12710302.

It is an arithmetic number, because the mean of its divisors is an integer number (241495054).

Almost surely, 2^940559647 is an apocalyptic number.

940559647 is a deficient number, since it is larger than the sum of its proper divisors (25420569).

940559647 is a wasteful number, since it uses less digits than its factorization.

940559647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25420568.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 940559647 is about 30668.5449116843. The cubic root of 940559647 is about 979.7804752633.

The spelling of 940559647 in words is "nine hundred forty million, five hundred fifty-nine thousand, six hundred forty-seven".