9740398 has 8 divisors (see below), whose sum is σ = 15005592. Its totient is φ = 4738536.

The previous prime is 9740389. The next prime is 9740399. The reversal of 9740398 is 8930479.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9740398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9740399) 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, 65740 + ... + 65887.

It is an arithmetic number, because the mean of its divisors is an integer number (1875699).

Almost surely, 2^9740398 is an apocalyptic number.

9740398 is a deficient number, since it is larger than the sum of its proper divisors (5265194).

9740398 is a wasteful number, since it uses less digits than its factorization.

9740398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131666.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 9740398 is about 3120.9610699270. The cubic root of 9740398 is about 213.5627810186.

The spelling of 9740398 in words is "nine million, seven hundred forty thousand, three hundred ninety-eight".