3071406 has 32 divisors (see below), whose sum is σ = 6683040. Its totient is φ = 940992.

The previous prime is 3071381. The next prime is 3071429. The reversal of 3071406 is 6041703.

It is a Curzon number.

It is a congruent 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, 13066 + ... + 13298.

It is an arithmetic number, because the mean of its divisors is an integer number (208845).

Almost surely, 2^3071406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3071406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3341520).

3071406 is an abundant number, since it is smaller than the sum of its proper divisors (3611634).

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

3071406 is a wasteful number, since it uses less digits than its factorization.

3071406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 3071406 is about 1752.5427241582. The cubic root of 3071406 is about 145.3602772946.

The spelling of 3071406 in words is "three million, seventy-one thousand, four hundred six".