3405213 has 32 divisors (see below), whose sum is σ = 5913600. Its totient is φ = 1896048.

The previous prime is 3405191. The next prime is 3405217. The reversal of 3405213 is 3125043.

It is not a de Polignac number, because 3405213 - 2¹² = 3401117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7918 + ... + 8336.

It is an arithmetic number, because the mean of its divisors is an integer number (184800).

Almost surely, 2^3405213 is an apocalyptic number.

It is an amenable number.

3405213 is a deficient number, since it is larger than the sum of its proper divisors (2508387).

3405213 is a wasteful number, since it uses less digits than its factorization.

3405213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3405213 is about 1845.3219231343. The cubic root of 3405213 is about 150.4462709648.

The spelling of 3405213 in words is "three million, four hundred five thousand, two hundred thirteen".