940463638 has 8 divisors (see below), whose sum is σ = 1418850288. Its totient is φ = 467513544.

The previous prime is 940463633. The next prime is 940463677. The reversal of 940463638 is 836364049.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 940463594 and 940463603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940463633) 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, 1358706 + ... + 1359397.

It is an arithmetic number, because the mean of its divisors is an integer number (177356286).

Almost surely, 2^940463638 is an apocalyptic number.

940463638 is a deficient number, since it is larger than the sum of its proper divisors (478386650).

940463638 is a wasteful number, since it uses less digits than its factorization.

940463638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718278.

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 940463638 is about 30666.9796034758. The cubic root of 940463638 is about 979.7471366212.

The spelling of 940463638 in words is "nine hundred forty million, four hundred sixty-three thousand, six hundred thirty-eight".