3378655 has 16 divisors (see below), whose sum is σ = 4760640. Its totient is φ = 2253312.

The previous prime is 3378649. The next prime is 3378667. The reversal of 3378655 is 5568733.

It is a cyclic number.

It is not a de Polignac number, because 3378655 - 2³ = 3378647 is a prime.

It is a super-2 number, since 2×3378655² = 22830619218050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a plaindrome in base 16.

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, 10 + ... + 2599.

It is an arithmetic number, because the mean of its divisors is an integer number (297540).

Almost surely, 2^3378655 is an apocalyptic number.

3378655 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3378655 is a deficient number, since it is larger than the sum of its proper divisors (1381985).

3378655 is a wasteful number, since it uses less digits than its factorization.

3378655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658.

The product of its digits is 75600, while the sum is 37.

The square root of 3378655 is about 1838.1118029108. Note that the first 3 decimals coincide. The cubic root of 3378655 is about 150.0541286131.

The spelling of 3378655 in words is "three million, three hundred seventy-eight thousand, six hundred fifty-five".