3454440 has 64 divisors (see below), whose sum is σ = 11309760. Its totient is φ = 837120.

The previous prime is 3454421. The next prime is 3454457. The reversal of 3454440 is 444543.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3454440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12 + ... + 2628.

It is an arithmetic number, because the mean of its divisors is an integer number (176715).

Almost surely, 2^3454440 is an apocalyptic number.

3454440 is a gapful number since it is divisible by the number (30) 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 3454440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5654880).

3454440 is an abundant number, since it is smaller than the sum of its proper divisors (7855320).

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

3454440 is a wasteful number, since it uses less digits than its factorization.

3454440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 3454440 is about 1858.6123856254. The cubic root of 3454440 is about 151.1677739892.

Adding to 3454440 its reverse (444543), we get a palindrome (3898983).

The spelling of 3454440 in words is "three million, four hundred fifty-four thousand, four hundred forty".