3145867 has 4 divisors (see below), whose sum is σ = 3330936. Its totient is φ = 2960800.

The previous prime is 3145841. The next prime is 3145873. The reversal of 3145867 is 7685413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7685413 = 2389 ⋅3217.

It is a cyclic number.

It is not a de Polignac number, because 3145867 - 2⁷ = 3145739 is a prime.

It is a Duffinian number.

3145867 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3145817) 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, 92509 + ... + 92542.

It is an arithmetic number, because the mean of its divisors is an integer number (832734).

Almost surely, 2^3145867 is an apocalyptic number.

3145867 is a deficient number, since it is larger than the sum of its proper divisors (185069).

3145867 is a wasteful number, since it uses less digits than its factorization.

3145867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185068.

The product of its digits is 20160, while the sum is 34.

The square root of 3145867 is about 1773.6592119119. The cubic root of 3145867 is about 146.5255811541.

The spelling of 3145867 in words is "three million, one hundred forty-five thousand, eight hundred sixty-seven".