3405450 has 48 divisors (see below), whose sum is σ = 8588736. Its totient is φ = 892800.

The previous prime is 3405431. The next prime is 3405463. The reversal of 3405450 is 545043.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10795 + ... + 11105.

It is an arithmetic number, because the mean of its divisors is an integer number (178932).

Almost surely, 2^3405450 is an apocalyptic number.

3405450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3405450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4294368).

3405450 is an abundant number, since it is smaller than the sum of its proper divisors (5183286).

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

3405450 is a wasteful number, since it uses less digits than its factorization.

3405450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 3405450 is about 1845.3861384545. The cubic root of 3405450 is about 150.4497611957.

The spelling of 3405450 in words is "three million, four hundred five thousand, four hundred fifty".