3447406 has 8 divisors (see below), whose sum is σ = 5204520. Its totient is φ = 1712568.

The previous prime is 3447377. The next prime is 3447407. The reversal of 3447406 is 6047443.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3447407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5176 + ... + 5803.

It is an arithmetic number, because the mean of its divisors is an integer number (650565).

Almost surely, 2^3447406 is an apocalyptic number.

3447406 is a deficient number, since it is larger than the sum of its proper divisors (1757114).

3447406 is a wasteful number, since it uses less digits than its factorization.

3447406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11138.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 3447406 is about 1856.7191494677. The cubic root of 3447406 is about 151.0651006515.

It can be divided in two parts, 344 and 7406, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 3447406 in words is "three million, four hundred forty-seven thousand, four hundred six".