3146977 has 4 divisors (see below), whose sum is σ = 3176496. Its totient is φ = 3117460.

The previous prime is 3146953. The next prime is 3146987. The reversal of 3146977 is 7796413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7796413 = 233 ⋅33461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3146977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3146987) 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, 14599 + ... + 14812.

It is an arithmetic number, because the mean of its divisors is an integer number (794124).

Almost surely, 2^3146977 is an apocalyptic number.

It is an amenable number.

3146977 is a deficient number, since it is larger than the sum of its proper divisors (29519).

3146977 is a wasteful number, since it uses less digits than its factorization.

3146977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29518.

The product of its digits is 31752, while the sum is 37.

The square root of 3146977 is about 1773.9720967366. The cubic root of 3146977 is about 146.5428126804.

Subtracting from 3146977 its product of digits (31752), we obtain a square (3115225 = 1765²).

The spelling of 3146977 in words is "three million, one hundred forty-six thousand, nine hundred seventy-seven".