9642099 has 8 divisors (see below), whose sum is σ = 12874960. Its totient is φ = 6418656.

The previous prime is 9642049. The next prime is 9642109. The reversal of 9642099 is 9902469.

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

It is not a de Polignac number, because 9642099 - 2⁷ = 9641971 is a prime.

It is a d-powerful number, because it can be written as 9⁵ + 6³ + 4⁷ + 2⁹ + 0 + 9⁷ + 9⁷ .

It is a Duffinian number.

9642099 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9642049) 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, 549 + ... + 4425.

It is an arithmetic number, because the mean of its divisors is an integer number (1609370).

Almost surely, 2^9642099 is an apocalyptic number.

9642099 is a deficient number, since it is larger than the sum of its proper divisors (3232861).

9642099 is a wasteful number, since it uses less digits than its factorization.

9642099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4709.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 9642099 is about 3105.1729420436. The cubic root of 9642099 is about 212.8419334679.

It can be divided in two parts, 96 and 42099, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 9642099 in words is "nine million, six hundred forty-two thousand, ninety-nine".