9697738 has 4 divisors (see below), whose sum is σ = 14546610. Its totient is φ = 4848868.

The previous prime is 9697729. The next prime is 9697739. The reversal of 9697738 is 8377969.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8025889 + 1671849 = 2833^2 + 1293^2 .

It is a super-2 number, since 2×9697738² = 188092244633288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 9697691 and 9697700.

It is not an unprimeable number, because it can be changed into a prime (9697739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2424433 + ... + 2424436.

Almost surely, 2^9697738 is an apocalyptic number.

9697738 is a deficient number, since it is larger than the sum of its proper divisors (4848872).

9697738 is a wasteful number, since it uses less digits than its factorization.

9697738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4848871.

The product of its digits is 571536, while the sum is 49.

The square root of 9697738 is about 3114.1191370916. The cubic root of 9697738 is about 213.2505445906.

The spelling of 9697738 in words is "nine million, six hundred ninety-seven thousand, seven hundred thirty-eight".