3149678 has 8 divisors (see below), whose sum is σ = 5399472. Its totient is φ = 1349856.

The previous prime is 3149677. The next prime is 3149681. The reversal of 3149678 is 8769413.

3149678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a d-powerful number, because it can be written as 3⁵ + 1 + 4¹⁰ + 9 + 6⁴ + 7⁴ + 8⁷ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112475 + ... + 112502.

It is an arithmetic number, because the mean of its divisors is an integer number (674934).

Almost surely, 2^3149678 is an apocalyptic number.

3149678 is a deficient number, since it is larger than the sum of its proper divisors (2249794).

3149678 is a wasteful number, since it uses less digits than its factorization.

3149678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224986.

The product of its digits is 36288, while the sum is 38.

The square root of 3149678 is about 1774.7332193882. The cubic root of 3149678 is about 146.5847258086.

The spelling of 3149678 in words is "three million, one hundred forty-nine thousand, six hundred seventy-eight".