3427378 has 4 divisors (see below), whose sum is σ = 5141070. Its totient is φ = 1713688.

The previous prime is 3427367. The next prime is 3427379. The reversal of 3427378 is 8737243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2380849 + 1046529 = 1543^2 + 1023^2 .

It is not an unprimeable number, because it can be changed into a prime (3427379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856843 + ... + 856846.

Almost surely, 2^3427378 is an apocalyptic number.

3427378 is a deficient number, since it is larger than the sum of its proper divisors (1713692).

3427378 is a wasteful number, since it uses less digits than its factorization.

3427378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713691.

The product of its digits is 28224, while the sum is 34.

The square root of 3427378 is about 1851.3179089503. The cubic root of 3427378 is about 150.7719904262.

The spelling of 3427378 in words is "three million, four hundred twenty-seven thousand, three hundred seventy-eight".