9943662 has 8 divisors (see below), whose sum is σ = 19887336. Its totient is φ = 3314552.

The previous prime is 9943579. The next prime is 9943663. The reversal of 9943662 is 2663499.

It is a happy number.

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

9943662 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 9943662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9943663) 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, 828633 + ... + 828644.

It is an arithmetic number, because the mean of its divisors is an integer number (2485917).

Almost surely, 2^9943662 is an apocalyptic number.

9943662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9943662 is a wasteful number, since it uses less digits than its factorization.

9943662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657282.

The product of its digits is 69984, while the sum is 39.

The square root of 9943662 is about 3153.3572585421. The cubic root of 9943662 is about 215.0381183541.

It can be divided in two parts, 994 and 3662, that added together give a triangular number (4656 = T₉₆).

The spelling of 9943662 in words is "nine million, nine hundred forty-three thousand, six hundred sixty-two".