3390805 has 8 divisors (see below), whose sum is σ = 4438944. Its totient is φ = 2466000.

The previous prime is 3390787. The next prime is 3390809. The reversal of 3390805 is 5080933.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3390805 - 2¹⁵ = 3358037 is a prime.

It is a super-2 number, since 2×3390805² = 22995117096050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3390809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30771 + ... + 30880.

It is an arithmetic number, because the mean of its divisors is an integer number (554868).

Almost surely, 2^3390805 is an apocalyptic number.

It is an amenable number.

3390805 is a deficient number, since it is larger than the sum of its proper divisors (1048139).

3390805 is a wasteful number, since it uses less digits than its factorization.

3390805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61667.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3390805 is about 1841.4138589682. The cubic root of 3390805 is about 150.2337835937.

The spelling of 3390805 in words is "three million, three hundred ninety thousand, eight hundred five".