3144378 has 8 divisors (see below), whose sum is σ = 6288768. Its totient is φ = 1048124.

The previous prime is 3144373. The next prime is 3144389. The reversal of 3144378 is 8734413.

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

3144378 is an admirable number.

It is a super-2 number, since 2×3144378² = 19774226013768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3144373) 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, 262026 + ... + 262037.

It is an arithmetic number, because the mean of its divisors is an integer number (786096).

Almost surely, 2^3144378 is an apocalyptic number.

3144378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3144378 is a wasteful number, since it uses less digits than its factorization.

3144378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524068.

The product of its digits is 8064, while the sum is 30.

The square root of 3144378 is about 1773.2394085402. The cubic root of 3144378 is about 146.5024597039.

The spelling of 3144378 in words is "three million, one hundred forty-four thousand, three hundred seventy-eight".