9640662 has 8 divisors (see below), whose sum is σ = 19281336. Its totient is φ = 3213552.

The previous prime is 9640661. The next prime is 9640663. The reversal of 9640662 is 2660469.

9640662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9640661) and next prime (9640663).

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

9640662 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640661) 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, 803383 + ... + 803394.

It is an arithmetic number, because the mean of its divisors is an integer number (2410167).

Almost surely, 2^9640662 is an apocalyptic number.

9640662 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.

9640662 is a wasteful number, since it uses less digits than its factorization.

9640662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606782.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 9640662 is about 3104.9415453435. The cubic root of 9640662 is about 212.8313593853.

The spelling of 9640662 in words is "nine million, six hundred forty thousand, six hundred sixty-two".