3147949 has 8 divisors (see below), whose sum is σ = 3627008. Its totient is φ = 2676240.

The previous prime is 3147929. The next prime is 3147953. The reversal of 3147949 is 9497413.

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

It is not a de Polignac number, because 3147949 - 2¹³ = 3139757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882 + ... + 2659.

It is an arithmetic number, because the mean of its divisors is an integer number (453376).

Almost surely, 2^3147949 is an apocalyptic number.

It is an amenable number.

3147949 is a deficient number, since it is larger than the sum of its proper divisors (479059).

3147949 is a wasteful number, since it uses less digits than its factorization.

3147949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675.

The product of its digits is 27216, while the sum is 37.

The square root of 3147949 is about 1774.2460370535. The cubic root of 3147949 is about 146.5578985815.

It can be divided in two parts, 3147 and 949, that added together give a 12-th power (4096 = 2¹²).

The spelling of 3147949 in words is "three million, one hundred forty-seven thousand, nine hundred forty-nine".