3505854 has 32 divisors (see below), whose sum is σ = 7729920. Its totient is φ = 1059960.

The previous prime is 3505849. The next prime is 3505889. The reversal of 3505854 is 4585053.

3505854 = 137² + 138² + ... + 235².

It is a congruent number.

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, 7767 + ... + 8205.

It is an arithmetic number, because the mean of its divisors is an integer number (241560).

Almost surely, 2^3505854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3505854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3864960).

3505854 is an abundant number, since it is smaller than the sum of its proper divisors (4224066).

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

3505854 is a wasteful number, since it uses less digits than its factorization.

3505854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 3505854 is about 1872.3925870394. The cubic root of 3505854 is about 151.9140499766.

The spelling of 3505854 in words is "three million, five hundred five thousand, eight hundred fifty-four".