3145816 has 16 divisors (see below), whose sum is σ = 6245640. Its totient is φ = 1480320.

The previous prime is 3145801. The next prime is 3145817. The reversal of 3145816 is 6185413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11430 + ... + 11701.

Almost surely, 2^3145816 is an apocalyptic number.

It is an amenable number.

3145816 is a deficient number, since it is larger than the sum of its proper divisors (3099824).

3145816 is a wasteful number, since it uses less digits than its factorization.

3145816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23154 (or 23150 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 3145816 is about 1773.6448347964. The cubic root of 3145816 is about 146.5247893380.

The spelling of 3145816 in words is "three million, one hundred forty-five thousand, eight hundred sixteen".