7404398 has 8 divisors (see below), whose sum is σ = 11221392. Its totient is φ = 3663936.

The previous prime is 7404389. The next prime is 7404409. The reversal of 7404398 is 8934047.

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

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

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, 18890 + ... + 19277.

It is an arithmetic number, because the mean of its divisors is an integer number (1402674).

Almost surely, 2^7404398 is an apocalyptic number.

7404398 is a deficient number, since it is larger than the sum of its proper divisors (3816994).

7404398 is a wasteful number, since it uses less digits than its factorization.

7404398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38266.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 7404398 is about 2721.1023501515. The cubic root of 7404398 is about 194.9081136231.

The spelling of 7404398 in words is "seven million, four hundred four thousand, three hundred ninety-eight".