6906380 has 48 divisors (see below), whose sum is σ = 15833664. Its totient is φ = 2515200.

The previous prime is 6906343. The next prime is 6906401. The reversal of 6906380 is 836096.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26129 + ... + 26391.

It is an arithmetic number, because the mean of its divisors is an integer number (329868).

Almost surely, 2^6906380 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 6906380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7916832).

6906380 is an abundant number, since it is smaller than the sum of its proper divisors (8927284).

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

6906380 is a wasteful number, since it uses less digits than its factorization.

6906380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 6906380 is about 2627.9992389649. Note that the first 3 decimals coincide. The cubic root of 6906380 is about 190.4364849579.

The spelling of 6906380 in words is "six million, nine hundred six thousand, three hundred eighty".