2971628 has 12 divisors (see below), whose sum is σ = 5673192. Its totient is φ = 1350720.

The previous prime is 2971607. The next prime is 2971663. The reversal of 2971628 is 8261792.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33725 + ... + 33812.

It is an arithmetic number, because the mean of its divisors is an integer number (472766).

2^2971628 is an apocalyptic number.

It is an amenable number.

2971628 is a deficient number, since it is larger than the sum of its proper divisors (2701564).

2971628 is a wasteful number, since it uses less digits than its factorization.

2971628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67552 (or 67550 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 2971628 is about 1723.8410599588. The cubic root of 2971628 is about 143.7688549937.

The spelling of 2971628 in words is "two million, nine hundred seventy-one thousand, six hundred twenty-eight".