2971630 has 16 divisors (see below), whose sum is σ = 5533920. Its totient is φ = 1147552.

The previous prime is 2971607. The next prime is 2971663. The reversal of 2971630 is 361792.

2971630 = 306² + 307² + ... + 334².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4834 + ... + 5413.

It is an arithmetic number, because the mean of its divisors is an integer number (345870).

2^2971630 is an apocalyptic number.

2971630 is a deficient number, since it is larger than the sum of its proper divisors (2562290).

2971630 is a wasteful number, since it uses less digits than its factorization.

2971630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10283.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2971630 is about 1723.8416400586. The cubic root of 2971630 is about 143.7688872474.

The spelling of 2971630 in words is "two million, nine hundred seventy-one thousand, six hundred thirty".