3400216 has 8 divisors (see below), whose sum is σ = 6375420. Its totient is φ = 1700104.

The previous prime is 3400213. The next prime is 3400217. The reversal of 3400216 is 6120043.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3400216² = 23122937693312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3400216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212506 + ... + 212521.

Almost surely, 2^3400216 is an apocalyptic number.

It is an amenable number.

3400216 is a deficient number, since it is larger than the sum of its proper divisors (2975204).

3400216 is a wasteful number, since it uses less digits than its factorization.

3400216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425033 (or 425029 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3400216 is about 1843.9674617520. The cubic root of 3400216 is about 150.3726438475.

Adding to 3400216 its reverse (6120043), we get a palindrome (9520259).

The spelling of 3400216 in words is "three million, four hundred thousand, two hundred sixteen".