3469312 has 78 divisors (see below), whose sum is σ = 8715224. Its totient is φ = 1351680.

The previous prime is 3469247. The next prime is 3469313. The reversal of 3469312 is 2139643.

It is a super-2 number, since 2×3469312² = 24072251506688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3469313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315387 + ... + 315397.

Almost surely, 2^3469312 is an apocalyptic number.

3469312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3469312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4357612).

3469312 is an abundant number, since it is smaller than the sum of its proper divisors (5245912).

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

3469312 is an equidigital number, since it uses as much as digits as its factorization.

3469312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 20 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 3469312 is about 1862.6089229895. The cubic root of 3469312 is about 151.3843984466.

Multiplying 3469312 by its sum of digits (28), we get a square (97140736 = 9856²).

3469312 divided by its sum of digits (28) gives a square (123904 = 352²).

The spelling of 3469312 in words is "three million, four hundred sixty-nine thousand, three hundred twelve".