3145907 has 4 divisors (see below), whose sum is σ = 3175416. Its totient is φ = 3116400.

The previous prime is 3145903. The next prime is 3145913. The reversal of 3145907 is 7095413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3145907 - 2² = 3145903 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3145907.

It is not an unprimeable number, because it can be changed into a prime (3145903) by changing a digit.

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, 14594 + ... + 14807.

It is an arithmetic number, because the mean of its divisors is an integer number (793854).

Almost surely, 2^3145907 is an apocalyptic number.

3145907 is a deficient number, since it is larger than the sum of its proper divisors (29509).

3145907 is a wasteful number, since it uses less digits than its factorization.

3145907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29508.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 3145907 is about 1773.6704879994. The cubic root of 3145907 is about 146.5262021804.

The spelling of 3145907 in words is "three million, one hundred forty-five thousand, nine hundred seven".