3318406 has 16 divisors (see below), whose sum is σ = 6126624. Its totient is φ = 1312704.

The previous prime is 3318389. The next prime is 3318409. The reversal of 3318406 is 6048133.

3318406 = T₇₀₈ + T₇₀₉ + ... + T₇₂₀.

It is a super-2 number, since 2×3318406² = 22023636761672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3318409) 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, 8935 + ... + 9298.

It is an arithmetic number, because the mean of its divisors is an integer number (382914).

Almost surely, 2^3318406 is an apocalyptic number.

3318406 is a deficient number, since it is larger than the sum of its proper divisors (2808218).

3318406 is a wasteful number, since it uses less digits than its factorization.

3318406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18255.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 3318406 is about 1821.6492527377. The cubic root of 3318406 is about 149.1568397897.

The spelling of 3318406 in words is "three million, three hundred eighteen thousand, four hundred six".