2947951 has 8 divisors (see below), whose sum is σ = 3041280. Its totient is φ = 2855832.

The previous prime is 2947949. The next prime is 2947999. The reversal of 2947951 is 1597492.

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

It is a cyclic number.

It is not a de Polignac number, because 2947951 - 2¹ = 2947949 is a prime.

It is a Duffinian number.

2947951 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2947951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2941951) 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, 7506 + ... + 7888.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

2^2947951 is an apocalyptic number.

2947951 is a deficient number, since it is larger than the sum of its proper divisors (93329).

2947951 is a wasteful number, since it uses less digits than its factorization.

2947951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its digits is 22680, while the sum is 37.

The square root of 2947951 is about 1716.9598131581. The cubic root of 2947951 is about 143.3860013166.

The spelling of 2947951 in words is "two million, nine hundred forty-seven thousand, nine hundred fifty-one".