3213970 has 8 divisors (see below), whose sum is σ = 5785164. Its totient is φ = 1285584.

The previous prime is 3213961. The next prime is 3213979. The reversal of 3213970 is 793123.

It is an interprime number because it is at equal distance from previous prime (3213961) and next prime (3213979).

It can be written as a sum of positive squares in 2 ways, for example, as 3003289 + 210681 = 1733^2 + 459^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3213979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160689 + ... + 160708.

Almost surely, 2^3213970 is an apocalyptic number.

3213970 is a deficient number, since it is larger than the sum of its proper divisors (2571194).

3213970 is a wasteful number, since it uses less digits than its factorization.

3213970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321404.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 3213970 is about 1792.7548633318. The cubic root of 3213970 is about 147.5753899769.

The spelling of 3213970 in words is "three million, two hundred thirteen thousand, nine hundred seventy".