3420178 has 8 divisors (see below), whose sum is σ = 5139468. Its totient is φ = 1707024.

The previous prime is 3420161. The next prime is 3420187. The reversal of 3420178 is 8710243.

It can be written as a sum of positive squares in 2 ways, for example, as 3229209 + 190969 = 1797^2 + 437^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300 + ... + 2632.

Almost surely, 2^3420178 is an apocalyptic number.

3420178 is a deficient number, since it is larger than the sum of its proper divisors (1719290).

3420178 is a wasteful number, since it uses less digits than its factorization.

3420178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 3420178 is about 1849.3723259528. The cubic root of 3420178 is about 150.6663392671. Note that the first 3 decimals are identical.

The spelling of 3420178 in words is "three million, four hundred twenty thousand, one hundred seventy-eight".