3453516 has 144 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 933120.

The previous prime is 3453479. The next prime is 3453551. The reversal of 3453516 is 6153543.

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

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 3453516.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181755 + ... + 181773.

It is an arithmetic number, because the mean of its divisors is an integer number (76440).

Almost surely, 2^3453516 is an apocalyptic number.

3453516 is a gapful number since it is divisible by the number (36) 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 3453516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5503680).

3453516 is an abundant number, since it is smaller than the sum of its proper divisors (7553844).

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

3453516 is a wasteful number, since it uses less digits than its factorization.

3453516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 52 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 3453516 is about 1858.3637964618. The cubic root of 3453516 is about 151.1542945754.

Adding to 3453516 its sum of digits (27), we get a palindrome (3453543).

It can be divided in two parts, 3453 and 516, that added together give a square (3969 = 63²).

The spelling of 3453516 in words is "three million, four hundred fifty-three thousand, five hundred sixteen".