3217142 has 4 divisors (see below), whose sum is σ = 4825716. Its totient is φ = 1608570.

The previous prime is 3217141. The next prime is 3217157. The reversal of 3217142 is 2417123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2417123 = 19 ⋅127217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3217141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804284 + ... + 804287.

It is an arithmetic number, because the mean of its divisors is an integer number (1206429).

Almost surely, 2^3217142 is an apocalyptic number.

3217142 is a deficient number, since it is larger than the sum of its proper divisors (1608574).

3217142 is a wasteful number, since it uses less digits than its factorization.

3217142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608573.

The product of its digits is 336, while the sum is 20.

The square root of 3217142 is about 1793.6393171427. The cubic root of 3217142 is about 147.6239234338.

The spelling of 3217142 in words is "three million, two hundred seventeen thousand, one hundred forty-two".