3499405 has 16 divisors (see below), whose sum is σ = 5169024. Its totient is φ = 2214720.

The previous prime is 3499369. The next prime is 3499409. The reversal of 3499405 is 5049943.

It is not a de Polignac number, because 3499405 - 2⁷ = 3499277 is a prime.

3499405 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3499409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3391 + ... + 4300.

It is an arithmetic number, because the mean of its divisors is an integer number (323064).

Almost surely, 2^3499405 is an apocalyptic number.

3499405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3499405 is a deficient number, since it is larger than the sum of its proper divisors (1669619).

3499405 is a wasteful number, since it uses less digits than its factorization.

3499405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7716.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3499405 is about 1870.6696661891. The cubic root of 3499405 is about 151.8208444374.

The spelling of 3499405 in words is "three million, four hundred ninety-nine thousand, four hundred five".