3447478 has 8 divisors (see below), whose sum is σ = 5208840. Its totient is φ = 1711200.

The previous prime is 3447469. The next prime is 3447503. The reversal of 3447478 is 8747443.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5923 + ... + 6478.

It is an arithmetic number, because the mean of its divisors is an integer number (651105).

Almost surely, 2^3447478 is an apocalyptic number.

3447478 is a deficient number, since it is larger than the sum of its proper divisors (1761362).

3447478 is a wasteful number, since it uses less digits than its factorization.

3447478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12542.

The product of its digits is 75264, while the sum is 37.

The square root of 3447478 is about 1856.7385384054. The cubic root of 3447478 is about 151.0661523226.

The spelling of 3447478 in words is "three million, four hundred forty-seven thousand, four hundred seventy-eight".