6738408 has 48 divisors (see below), whose sum is σ = 18844800. Its totient is φ = 2172960.

The previous prime is 6738383. The next prime is 6738419. The reversal of 6738408 is 8048376.

It is a super-2 number, since 2×6738408² = 90812284748928, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 723 + ... + 3741.

It is an arithmetic number, because the mean of its divisors is an integer number (392600).

Almost surely, 2^6738408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6738408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9422400).

6738408 is an abundant number, since it is smaller than the sum of its proper divisors (12106392).

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

6738408 is a wasteful number, since it uses less digits than its factorization.

6738408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062 (or 3055 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 6738408 is about 2595.8443712981. The cubic root of 6738408 is about 188.8799102742.

The spelling of 6738408 in words is "six million, seven hundred thirty-eight thousand, four hundred eight".