3450816 has 56 divisors (see below), whose sum is σ = 10149840. Its totient is φ = 1149696.

The previous prime is 3450791. The next prime is 3450817. The reversal of 3450816 is 6180543.

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 3450816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3450817) 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, 730 + ... + 2726.

Almost surely, 2^3450816 is an apocalyptic number.

3450816 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 3450816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5074920).

3450816 is an abundant number, since it is smaller than the sum of its proper divisors (6699024).

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

3450816 is a wasteful number, since it uses less digits than its factorization.

3450816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3450816 is about 1857.6372089297. The cubic root of 3450816 is about 151.1148928952.

The spelling of 3450816 in words is "three million, four hundred fifty thousand, eight hundred sixteen".