3398421798 has 32 divisors (see below), whose sum is σ = 7694546400. Its totient is φ = 1111432608.

The previous prime is 3398421797. The next prime is 3398421821. The reversal of 3398421798 is 8971248933.

3398421798 is a `hidden beast` number, since 339 + 8 + 4 + 217 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3398421797) 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 15 ways as a sum of consecutive naturals, for example, 590853 + ... + 596576.

It is an arithmetic number, because the mean of its divisors is an integer number (240454575).

Almost surely, 2^3398421798 is an apocalyptic number.

3398421798 is an abundant number, since it is smaller than the sum of its proper divisors (4296124602).

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

3398421798 is a wasteful number, since it uses less digits than its factorization.

3398421798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187493 (or 1187487 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 3398421798 is about 58295.9844071614. The cubic root of 3398421798 is about 1503.4619000188.

The spelling of 3398421798 in words is "three billion, three hundred ninety-eight million, four hundred twenty-one thousand, seven hundred ninety-eight".