3429217 has 4 divisors (see below), whose sum is σ = 3740976. Its totient is φ = 3117460.

The previous prime is 3429203. The next prime is 3429287. The reversal of 3429217 is 7129243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3429217 - 2⁷ = 3429089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3429287) 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, 155863 + ... + 155884.

It is an arithmetic number, because the mean of its divisors is an integer number (935244).

Almost surely, 2^3429217 is an apocalyptic number.

It is an amenable number.

3429217 is a deficient number, since it is larger than the sum of its proper divisors (311759).

3429217 is a wasteful number, since it uses less digits than its factorization.

3429217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311758.

The product of its digits is 3024, while the sum is 28.

The square root of 3429217 is about 1851.8145155495. The cubic root of 3429217 is about 150.7989517666.

It can be divided in two parts, 342 and 9217, that added together give a palindrome (9559).

The spelling of 3429217 in words is "three million, four hundred twenty-nine thousand, two hundred seventeen".