9040398 has 8 divisors (see below), whose sum is σ = 18080808. Its totient is φ = 3013464.

The previous prime is 9040397. The next prime is 9040399. The reversal of 9040398 is 8930409.

It is an interprime number because it is at equal distance from previous prime (9040397) and next prime (9040399).

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

9040398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9040397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753361 + ... + 753372.

It is an arithmetic number, because the mean of its divisors is an integer number (2260101).

Almost surely, 2^9040398 is an apocalyptic number.

9040398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9040398 is a wasteful number, since it uses less digits than its factorization.

9040398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506738.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 9040398 is about 3006.7254613616. The cubic root of 9040398 is about 208.3191445626.

The spelling of 9040398 in words is "nine million, forty thousand, three hundred ninety-eight".