398093004 has 36 divisors (see below), whose sum is σ = 1008025200. Its totient is φ = 132468960.

The previous prime is 398092999. The next prime is 398093009. The reversal of 398093004 is 400390893.

It is an interprime number because it is at equal distance from previous prime (398092999) and next prime (398093009).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 398093004.

It is not an unprimeable number, because it can be changed into a prime (398093009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12334 + ... + 30794.

It is an arithmetic number, because the mean of its divisors is an integer number (28000700).

Almost surely, 2^398093004 is an apocalyptic number.

It is an amenable number.

398093004 is an abundant number, since it is smaller than the sum of its proper divisors (609932196).

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

398093004 is a wasteful number, since it uses less digits than its factorization.

398093004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19070 (or 19065 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 398093004 is about 19952.2681417427. The cubic root of 398093004 is about 735.6335284685.

The spelling of 398093004 in words is "three hundred ninety-eight million, ninety-three thousand, four".