6407938 has 8 divisors (see below), whose sum is σ = 10029888. Its totient is φ = 3064644.

The previous prime is 6407923. The next prime is 6407941. The reversal of 6407938 is 8397046.

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

It is a junction number, because it is equal to n+sod(n) for n = 6407897 and 6407906.

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, 69606 + ... + 69697.

It is an arithmetic number, because the mean of its divisors is an integer number (1253736).

Almost surely, 2^6407938 is an apocalyptic number.

6407938 is a deficient number, since it is larger than the sum of its proper divisors (3621950).

6407938 is a wasteful number, since it uses less digits than its factorization.

6407938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139328.

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

The square root of 6407938 is about 2531.3905269634. The cubic root of 6407938 is about 185.7402819061.

The spelling of 6407938 in words is "six million, four hundred seven thousand, nine hundred thirty-eight".