3453905 has 16 divisors (see below), whose sum is σ = 5101824. Its totient is φ = 2185920.

The previous prime is 3453833. The next prime is 3453943. The reversal of 3453905 is 5093543.

It is not a de Polignac number, because 3453905 - 2¹⁰ = 3452881 is a prime.

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, 3341 + ... + 4250.

It is an arithmetic number, because the mean of its divisors is an integer number (318864).

Almost surely, 2^3453905 is an apocalyptic number.

3453905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3453905 is a deficient number, since it is larger than the sum of its proper divisors (1647919).

3453905 is a wasteful number, since it uses less digits than its factorization.

3453905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7616.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 3453905 is about 1858.4684554762. The cubic root of 3453905 is about 151.1599696432.

The spelling of 3453905 in words is "three million, four hundred fifty-three thousand, nine hundred five".