3453856 has 48 divisors (see below), whose sum is σ = 8237376. Its totient is φ = 1391616.

The previous prime is 3453833. The next prime is 3453943. The reversal of 3453856 is 6583543.

3453856 = T₅₆₃ + T₅₆₄ + ... + T₅₈₃.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (171612).

Almost surely, 2^3453856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3453856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4118688).

3453856 is an abundant number, since it is smaller than the sum of its proper divisors (4783520).

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

3453856 is a wasteful number, since it uses less digits than its factorization.

3453856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 933 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 3453856 is about 1858.4552725315. The cubic root of 3453856 is about 151.1592548124.

The spelling of 3453856 in words is "three million, four hundred fifty-three thousand, eight hundred fifty-six".