9961699 has 8 divisors (see below), whose sum is σ = 10924848. Its totient is φ = 9008160.

The previous prime is 9961687. The next prime is 9961723.

It is a happy number.

9961699 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 9961699 - 2¹³ = 9953507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9961649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132 + ... + 4465.

It is an arithmetic number, because the mean of its divisors is an integer number (1365606).

Almost surely, 2^9961699 is an apocalyptic number.

9961699 is a deficient number, since it is larger than the sum of its proper divisors (963149).

9961699 is a wasteful number, since it uses less digits than its factorization.

9961699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805.

The product of its digits is 236196, while the sum is 49.

The square root of 9961699 is about 3156.2159305092. The cubic root of 9961699 is about 215.1680604123.

The spelling of 9961699 in words is "nine million, nine hundred sixty-one thousand, six hundred ninety-nine".