9949738 has 8 divisors (see below), whose sum is σ = 15061860. Its totient is φ = 4929120.

The previous prime is 9949733. The next prime is 9949739. The reversal of 9949738 is 8379499.

9949738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9878449 + 71289 = 3143^2 + 267^2 .

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9949691 and 9949700.

It is not an unprimeable number, because it can be changed into a prime (9949733) 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, 22603 + ... + 23038.

Almost surely, 2^9949738 is an apocalyptic number.

9949738 is a deficient number, since it is larger than the sum of its proper divisors (5112122).

9949738 is a wasteful number, since it uses less digits than its factorization.

9949738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45752.

The product of its digits is 489888, while the sum is 49.

The square root of 9949738 is about 3154.3205290522. The cubic root of 9949738 is about 215.0819085786.

The spelling of 9949738 in words is "nine million, nine hundred forty-nine thousand, seven hundred thirty-eight".