9803642 has 8 divisors (see below), whose sum is σ = 14722932. Its totient is φ = 4896000.

The previous prime is 9803623. The next prime is 9803669. The reversal of 9803642 is 2463089.

It can be written as a sum of positive squares in 2 ways, for example, as 9740641 + 63001 = 3121^2 + 251^2 .

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

It is a super-2 number, since 2×9803642² = 192222792928328, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9803599 and 9803608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359 + ... + 4442.

Almost surely, 2^9803642 is an apocalyptic number.

9803642 is a deficient number, since it is larger than the sum of its proper divisors (4919290).

9803642 is a wasteful number, since it uses less digits than its factorization.

9803642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 9803642 is about 3131.0768115778. The cubic root of 9803642 is about 214.0240023155.

The spelling of 9803642 in words is "nine million, eight hundred three thousand, six hundred forty-two".