3450312 has 48 divisors (see below), whose sum is σ = 9432540. Its totient is φ = 1139328.

The previous prime is 3450311. The next prime is 3450313. The reversal of 3450312 is 2130543.

It is an interprime number because it is at equal distance from previous prime (3450311) and next prime (3450313).

It can be written as a sum of positive squares in 2 ways, for example, as 3437316 + 12996 = 1854^2 + 114^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3450311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12318 + ... + 12594.

Almost surely, 2^3450312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3450312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4716270).

3450312 is an abundant number, since it is smaller than the sum of its proper divisors (5982228).

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

3450312 is a wasteful number, since it uses less digits than its factorization.

3450312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3450312 is about 1857.5015477786. The cubic root of 3450312 is about 151.1075356388.

Adding to 3450312 its reverse (2130543), we get a palindrome (5580855).

The spelling of 3450312 in words is "three million, four hundred fifty thousand, three hundred twelve".