3456216 has 32 divisors (see below), whose sum is σ = 9601200. Its totient is φ = 1152000.

The previous prime is 3456197. The next prime is 3456217. The reversal of 3456216 is 6126543.

3456216 is a `hidden beast` number, since 34 + 5 + 621 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3456216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3456217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7785 + ... + 8216.

Almost surely, 2^3456216 is an apocalyptic number.

3456216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3456216 is an abundant number, since it is smaller than the sum of its proper divisors (6144984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3456216 is a wasteful number, since it uses less digits than its factorization.

3456216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16016 (or 16006 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3456216 is about 1859.0901000221. The cubic root of 3456216 is about 151.1936757244.

It can be divided in two parts, 3456 and 216, that multiplied together give a square (746496 = 864²).

The spelling of 3456216 in words is "three million, four hundred fifty-six thousand, two hundred sixteen".