6400003798 has 8 divisors (see below), whose sum is σ = 9600742800. Its totient is φ = 3199756200.

The previous prime is 6400003763. The next prime is 6400003807. The reversal of 6400003798 is 8973000046.

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

It is a super-2 number, since 2×6400003798² = 81920097228828849608, which contains 22 as substring.

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, 88353 + ... + 143548.

It is an arithmetic number, because the mean of its divisors is an integer number (1200092850).

Almost surely, 2^6400003798 is an apocalyptic number.

6400003798 is a deficient number, since it is larger than the sum of its proper divisors (3200739002).

6400003798 is a wasteful number, since it uses less digits than its factorization.

6400003798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245702.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 6400003798 is about 80000.0237374965. The cubic root of 6400003798 is about 1856.6359007108.

The spelling of 6400003798 in words is "six billion, four hundred million, three thousand, seven hundred ninety-eight".