6354638 has 8 divisors (see below), whose sum is σ = 9574632. Its totient is φ = 3163096.

The previous prime is 6354619. The next prime is 6354641. The reversal of 6354638 is 8364536.

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

It is a super-2 number, since 2×6354638² = 80762848222088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6354598 and 6354607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6545 + ... + 7452.

It is an arithmetic number, because the mean of its divisors is an integer number (1196829).

Almost surely, 2^6354638 is an apocalyptic number.

6354638 is a deficient number, since it is larger than the sum of its proper divisors (3219994).

6354638 is a wasteful number, since it uses less digits than its factorization.

6354638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14226.

The product of its digits is 51840, while the sum is 35.

The square root of 6354638 is about 2520.8407327715. The cubic root of 6354638 is about 185.2238634045.

The spelling of 6354638 in words is "six million, three hundred fifty-four thousand, six hundred thirty-eight".