2947629 has 8 divisors (see below), whose sum is σ = 3938112. Its totient is φ = 1961120.

The previous prime is 2947621. The next prime is 2947649. The reversal of 2947629 is 9267492.

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 2947629 - 2³ = 2947621 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2344 + ... + 3374.

It is an arithmetic number, because the mean of its divisors is an integer number (492264).

2^2947629 is an apocalyptic number.

It is an amenable number.

2947629 is a deficient number, since it is larger than the sum of its proper divisors (990483).

2947629 is a wasteful number, since it uses less digits than its factorization.

2947629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987.

The product of its digits is 54432, while the sum is 39.

The square root of 2947629 is about 1716.8660402023. The cubic root of 2947629 is about 143.3807805182.

The spelling of 2947629 in words is "two million, nine hundred forty-seven thousand, six hundred twenty-nine".